diff --git a/dom/base/nsContentPermissionHelper.cpp b/dom/base/nsContentPermissionHelper.cpp
index 4d955b6dadf8..ca293ba64b00 100644
--- a/dom/base/nsContentPermissionHelper.cpp
+++ b/dom/base/nsContentPermissionHelper.cpp
@@ -474,7 +474,7 @@ RemotePermissionRequest::DoAllow(JS::HandleValue aChoices)
 // PContentPermissionRequestChild
 bool
 RemotePermissionRequest::Recv__delete__(const bool& aAllow,
-                                        const nsTArray<PermissionChoice>& aChoices)
+                                        InfallibleTArray<PermissionChoice>&& aChoices)
 {
   if (aAllow && mWindow->IsCurrentInnerWindow()) {
     // Use 'undefined' if no choice is provided.
diff --git a/dom/base/nsContentPermissionHelper.h b/dom/base/nsContentPermissionHelper.h
index 02c779c7d837..e410105e68e1 100644
--- a/dom/base/nsContentPermissionHelper.h
+++ b/dom/base/nsContentPermissionHelper.h
@@ -117,7 +117,7 @@ public:
 
   // It will be called when prompt dismissed.
   virtual bool Recv__delete__(const bool &aAllow,
-                              const nsTArray<PermissionChoice>& aChoices) MOZ_OVERRIDE;
+                              InfallibleTArray<PermissionChoice>&& aChoices) MOZ_OVERRIDE;
 
   void IPDLAddRef()
   {
@@ -146,3 +146,4 @@ private:
 };
 
 #endif // nsContentPermissionHelper_h
+
diff --git a/dom/indexedDB/ActorsParent.cpp b/dom/indexedDB/ActorsParent.cpp
index bd3d26ac9983..0240ec1c563e 100644
--- a/dom/indexedDB/ActorsParent.cpp
+++ b/dom/indexedDB/ActorsParent.cpp
@@ -3036,7 +3036,7 @@ private:
   virtual bool
   RecvPBackgroundIDBTransactionConstructor(
                                     PBackgroundIDBTransactionParent* aActor,
-                                    const nsTArray<nsString>& aObjectStoreNames,
+                                    InfallibleTArray<nsString>&& aObjectStoreNames,
                                     const Mode& aMode)
                                     MOZ_OVERRIDE;
 
@@ -6526,7 +6526,7 @@ Database::AllocPBackgroundIDBTransactionParent(
 bool
 Database::RecvPBackgroundIDBTransactionConstructor(
                                     PBackgroundIDBTransactionParent* aActor,
-                                    const nsTArray<nsString>& aObjectStoreNames,
+                                    InfallibleTArray<nsString>&& aObjectStoreNames,
                                     const Mode& aMode)
 {
   AssertIsOnBackgroundThread();
diff --git a/dom/ipc/ContentBridgeChild.cpp b/dom/ipc/ContentBridgeChild.cpp
index 1bc458f25a29..b3ea951cb525 100644
--- a/dom/ipc/ContentBridgeChild.cpp
+++ b/dom/ipc/ContentBridgeChild.cpp
@@ -66,10 +66,10 @@ ContentBridgeChild::DeferredDestroy()
 bool
 ContentBridgeChild::RecvAsyncMessage(const nsString& aMsg,
                                      const ClonedMessageData& aData,
-                                     const InfallibleTArray<jsipc::CpowEntry>& aCpows,
+                                     InfallibleTArray<jsipc::CpowEntry>&& aCpows,
                                      const IPC::Principal& aPrincipal)
 {
-  return nsIContentChild::RecvAsyncMessage(aMsg, aData, aCpows, aPrincipal);
+  return nsIContentChild::RecvAsyncMessage(aMsg, aData, Move(aCpows), aPrincipal);
 }
 
 PBlobChild*
diff --git a/dom/ipc/ContentBridgeChild.h b/dom/ipc/ContentBridgeChild.h
index 90d3f7fd93ca..ede302fae4c2 100644
--- a/dom/ipc/ContentBridgeChild.h
+++ b/dom/ipc/ContentBridgeChild.h
@@ -29,7 +29,7 @@ public:
 
   virtual bool RecvAsyncMessage(const nsString& aMsg,
                                 const ClonedMessageData& aData,
-                                const InfallibleTArray<jsipc::CpowEntry>& aCpows,
+                                InfallibleTArray<jsipc::CpowEntry>&& aCpows,
                                 const IPC::Principal& aPrincipal) MOZ_OVERRIDE;
 
   virtual PBlobChild*
diff --git a/dom/ipc/ContentBridgeParent.cpp b/dom/ipc/ContentBridgeParent.cpp
index f52923f115f9..2d98c9710a90 100644
--- a/dom/ipc/ContentBridgeParent.cpp
+++ b/dom/ipc/ContentBridgeParent.cpp
@@ -62,20 +62,22 @@ ContentBridgeParent::DeferredDestroy()
 bool
 ContentBridgeParent::RecvSyncMessage(const nsString& aMsg,
                                      const ClonedMessageData& aData,
-                                     const InfallibleTArray<jsipc::CpowEntry>& aCpows,
+                                     InfallibleTArray<jsipc::CpowEntry>&& aCpows,
                                      const IPC::Principal& aPrincipal,
                                      InfallibleTArray<nsString>* aRetvals)
 {
-  return nsIContentParent::RecvSyncMessage(aMsg, aData, aCpows, aPrincipal, aRetvals);
+  return nsIContentParent::RecvSyncMessage(aMsg, aData, Move(aCpows),
+                                           aPrincipal, aRetvals);
 }
 
 bool
 ContentBridgeParent::RecvAsyncMessage(const nsString& aMsg,
                                       const ClonedMessageData& aData,
-                                      const InfallibleTArray<jsipc::CpowEntry>& aCpows,
+                                      InfallibleTArray<jsipc::CpowEntry>&& aCpows,
                                       const IPC::Principal& aPrincipal)
 {
-  return nsIContentParent::RecvAsyncMessage(aMsg, aData, aCpows, aPrincipal);
+  return nsIContentParent::RecvAsyncMessage(aMsg, aData, Move(aCpows),
+                                            aPrincipal);
 }
 
 PBlobParent*
diff --git a/dom/ipc/ContentBridgeParent.h b/dom/ipc/ContentBridgeParent.h
index 369aa2d11000..e9d3e9a21948 100644
--- a/dom/ipc/ContentBridgeParent.h
+++ b/dom/ipc/ContentBridgeParent.h
@@ -75,12 +75,12 @@ protected:
 protected:
   virtual bool RecvSyncMessage(const nsString& aMsg,
                                const ClonedMessageData& aData,
-                               const InfallibleTArray<jsipc::CpowEntry>& aCpows,
+                               InfallibleTArray<jsipc::CpowEntry>&& aCpows,
                                const IPC::Principal& aPrincipal,
                                InfallibleTArray<nsString>* aRetvals) MOZ_OVERRIDE;
   virtual bool RecvAsyncMessage(const nsString& aMsg,
                                 const ClonedMessageData& aData,
-                                const InfallibleTArray<jsipc::CpowEntry>& aCpows,
+                                InfallibleTArray<jsipc::CpowEntry>&& aCpows,
                                 const IPC::Principal& aPrincipal) MOZ_OVERRIDE;
 
   virtual jsipc::PJavaScriptParent* AllocPJavaScriptParent() MOZ_OVERRIDE;
diff --git a/dom/ipc/ContentChild.cpp b/dom/ipc/ContentChild.cpp
index 6d629bc3f2cd..cb031e74ee39 100644
--- a/dom/ipc/ContentChild.cpp
+++ b/dom/ipc/ContentChild.cpp
@@ -1720,9 +1720,9 @@ ContentChild::DeallocPSpeechSynthesisChild(PSpeechSynthesisChild* aActor)
 }
 
 bool
-ContentChild::RecvRegisterChrome(const InfallibleTArray<ChromePackage>& packages,
-                                 const InfallibleTArray<ResourceMapping>& resources,
-                                 const InfallibleTArray<OverrideMapping>& overrides,
+ContentChild::RecvRegisterChrome(InfallibleTArray<ChromePackage>&& packages,
+                                 InfallibleTArray<ResourceMapping>&& resources,
+                                 InfallibleTArray<OverrideMapping>&& overrides,
                                  const nsCString& locale,
                                  const bool& reset)
 {
@@ -1905,7 +1905,7 @@ ContentChild::RecvNotifyVisited(const URIParams& aURI)
 bool
 ContentChild::RecvAsyncMessage(const nsString& aMsg,
                                const ClonedMessageData& aData,
-                               const InfallibleTArray<CpowEntry>& aCpows,
+                               InfallibleTArray<CpowEntry>&& aCpows,
                                const IPC::Principal& aPrincipal)
 {
     nsRefPtr<nsFrameMessageManager> cpm = nsFrameMessageManager::sChildProcessManager;
@@ -1942,7 +1942,7 @@ ContentChild::RecvGeolocationError(const uint16_t& errorCode)
 }
 
 bool
-ContentChild::RecvUpdateDictionaryList(const InfallibleTArray<nsString>& aDictionaries)
+ContentChild::RecvUpdateDictionaryList(InfallibleTArray<nsString>&& aDictionaries)
 {
     mAvailableDictionaries = aDictionaries;
     mozInlineSpellChecker::UpdateCanEnableInlineSpellChecking();
@@ -2443,8 +2443,8 @@ ContentChild::RecvOnAppThemeChanged()
 bool
 ContentChild::RecvStartProfiler(const uint32_t& aEntries,
                                 const double& aInterval,
-                                const nsTArray<nsCString>& aFeatures,
-                                const nsTArray<nsCString>& aThreadNameFilters)
+                                nsTArray<nsCString>&& aFeatures,
+                                nsTArray<nsCString>&& aThreadNameFilters)
 {
     nsTArray<const char*> featureArray;
     for (size_t i = 0; i < aFeatures.Length(); ++i) {
diff --git a/dom/ipc/ContentChild.h b/dom/ipc/ContentChild.h
index 043088c35b7e..0e76e01059ca 100644
--- a/dom/ipc/ContentChild.h
+++ b/dom/ipc/ContentChild.h
@@ -276,9 +276,9 @@ public:
     virtual PSpeechSynthesisChild* AllocPSpeechSynthesisChild() MOZ_OVERRIDE;
     virtual bool DeallocPSpeechSynthesisChild(PSpeechSynthesisChild* aActor) MOZ_OVERRIDE;
 
-    virtual bool RecvRegisterChrome(const InfallibleTArray<ChromePackage>& packages,
-                                    const InfallibleTArray<ResourceMapping>& resources,
-                                    const InfallibleTArray<OverrideMapping>& overrides,
+    virtual bool RecvRegisterChrome(InfallibleTArray<ChromePackage>&& packages,
+                                    InfallibleTArray<ResourceMapping>&& resources,
+                                    InfallibleTArray<OverrideMapping>&& overrides,
                                     const nsCString& locale,
                                     const bool& reset) MOZ_OVERRIDE;
     virtual bool RecvRegisterChromeItem(const ChromeRegistryItem& item) MOZ_OVERRIDE;
@@ -306,14 +306,14 @@ public:
 
     virtual bool RecvAsyncMessage(const nsString& aMsg,
                                   const ClonedMessageData& aData,
-                                  const InfallibleTArray<CpowEntry>& aCpows,
+                                  InfallibleTArray<CpowEntry>&& aCpows,
                                   const IPC::Principal& aPrincipal) MOZ_OVERRIDE;
 
     virtual bool RecvGeolocationUpdate(const GeoPosition& somewhere) MOZ_OVERRIDE;
 
     virtual bool RecvGeolocationError(const uint16_t& errorCode) MOZ_OVERRIDE;
 
-    virtual bool RecvUpdateDictionaryList(const InfallibleTArray<nsString>& aDictionaries) MOZ_OVERRIDE;
+    virtual bool RecvUpdateDictionaryList(InfallibleTArray<nsString>&& aDictionaries) MOZ_OVERRIDE;
 
     virtual bool RecvAddPermission(const IPC::Permission& permission) MOZ_OVERRIDE;
 
@@ -377,8 +377,8 @@ public:
 
     virtual bool RecvStartProfiler(const uint32_t& aEntries,
                                    const double& aInterval,
-                                   const nsTArray<nsCString>& aFeatures,
-                                   const nsTArray<nsCString>& aThreadNameFilters) MOZ_OVERRIDE;
+                                   nsTArray<nsCString>&& aFeatures,
+                                   nsTArray<nsCString>&& aThreadNameFilters) MOZ_OVERRIDE;
     virtual bool RecvStopProfiler() MOZ_OVERRIDE;
     virtual bool RecvGetProfile(nsCString* aProfile) MOZ_OVERRIDE;
     virtual bool RecvShutdown() MOZ_OVERRIDE;
diff --git a/dom/ipc/ContentParent.cpp b/dom/ipc/ContentParent.cpp
index ffd1cf33f897..caf06a3e2120 100755
--- a/dom/ipc/ContentParent.cpp
+++ b/dom/ipc/ContentParent.cpp
@@ -388,7 +388,8 @@ public:
 
     virtual void ActorDestroy(ActorDestroyReason aWhy) MOZ_OVERRIDE;
 
-    virtual bool Recv__delete__(const uint32_t& aGeneration, const InfallibleTArray<MemoryReport>& aReport) MOZ_OVERRIDE;
+    virtual bool Recv__delete__(const uint32_t& aGeneration, InfallibleTArray<MemoryReport>&& aReport) MOZ_OVERRIDE;
+
 private:
     ContentParent* Owner()
     {
@@ -408,7 +409,8 @@ MemoryReportRequestParent::ActorDestroy(ActorDestroyReason aWhy)
 }
 
 bool
-MemoryReportRequestParent::Recv__delete__(const uint32_t& generation, const InfallibleTArray<MemoryReport>& childReports)
+MemoryReportRequestParent::Recv__delete__(const uint32_t& generation,
+                                          nsTArray<MemoryReport>&& childReports)
 {
     nsRefPtr<nsMemoryReporterManager> mgr =
         nsMemoryReporterManager::GetOrCreate();
@@ -2140,7 +2142,7 @@ FindFdProtocolFdMapping(const nsTArray<ProtocolFdMapping>& aFds,
 ContentParent::ContentParent(ContentParent* aTemplate,
                              const nsAString& aAppManifestURL,
                              base::ProcessHandle aPid,
-                             const nsTArray<ProtocolFdMapping>& aFds)
+                             InfallibleTArray<ProtocolFdMapping>&& aFds)
     : mAppManifestURL(aAppManifestURL)
     , mIsForBrowser(false)
     , mIsNuwaProcess(false)
@@ -2714,7 +2716,7 @@ ContentParent::RecvNuwaWaitForFreeze()
 
 bool
 ContentParent::RecvAddNewProcess(const uint32_t& aPid,
-                                 const InfallibleTArray<ProtocolFdMapping>& aFds)
+                                 InfallibleTArray<ProtocolFdMapping>&& aFds)
 {
 #ifdef MOZ_NUWA_PROCESS
     if (!IsNuwaProcess()) {
@@ -2730,7 +2732,7 @@ ContentParent::RecvAddNewProcess(const uint32_t& aPid,
     content = new ContentParent(this,
                                 MAGIC_PREALLOCATED_APP_MANIFEST_URL,
                                 aPid,
-                                aFds);
+                                Move(aFds));
     content->Init();
 
     size_t numNuwaPrefUpdates = sNuwaPrefUpdates ?
@@ -3902,32 +3904,33 @@ ContentParent::RecvCloseAlert(const nsString& aName,
 bool
 ContentParent::RecvSyncMessage(const nsString& aMsg,
                                const ClonedMessageData& aData,
-                               const InfallibleTArray<CpowEntry>& aCpows,
+                               InfallibleTArray<CpowEntry>&& aCpows,
                                const IPC::Principal& aPrincipal,
                                InfallibleTArray<nsString>* aRetvals)
 {
-    return nsIContentParent::RecvSyncMessage(aMsg, aData, aCpows, aPrincipal,
-                                             aRetvals);
+    return nsIContentParent::RecvSyncMessage(aMsg, aData, Move(aCpows),
+                                             aPrincipal, aRetvals);
 }
 
 bool
 ContentParent::RecvRpcMessage(const nsString& aMsg,
                               const ClonedMessageData& aData,
-                              const InfallibleTArray<CpowEntry>& aCpows,
+                              InfallibleTArray<CpowEntry>&& aCpows,
                               const IPC::Principal& aPrincipal,
                               InfallibleTArray<nsString>* aRetvals)
 {
-    return nsIContentParent::RecvRpcMessage(aMsg, aData, aCpows, aPrincipal,
+    return nsIContentParent::RecvRpcMessage(aMsg, aData, Move(aCpows), aPrincipal,
                                             aRetvals);
 }
 
 bool
 ContentParent::RecvAsyncMessage(const nsString& aMsg,
                                 const ClonedMessageData& aData,
-                                const InfallibleTArray<CpowEntry>& aCpows,
+                                InfallibleTArray<CpowEntry>&& aCpows,
                                 const IPC::Principal& aPrincipal)
 {
-    return nsIContentParent::RecvAsyncMessage(aMsg, aData, aCpows, aPrincipal);
+    return nsIContentParent::RecvAsyncMessage(aMsg, aData, Move(aCpows),
+                                              aPrincipal);
 }
 
 bool
diff --git a/dom/ipc/ContentParent.h b/dom/ipc/ContentParent.h
index 56ddbc0fff5c..e3aea567d381 100644
--- a/dom/ipc/ContentParent.h
+++ b/dom/ipc/ContentParent.h
@@ -394,7 +394,7 @@ private:
     ContentParent(ContentParent* aTemplate,
                   const nsAString& aAppManifestURL,
                   base::ProcessHandle aPid,
-                  const nsTArray<ProtocolFdMapping>& aFds);
+                  InfallibleTArray<ProtocolFdMapping>&& aFds);
 #endif
 
     // The common initialization for the constructors.
@@ -642,17 +642,17 @@ private:
 
     virtual bool RecvSyncMessage(const nsString& aMsg,
                                  const ClonedMessageData& aData,
-                                 const InfallibleTArray<CpowEntry>& aCpows,
+                                 InfallibleTArray<CpowEntry>&& aCpows,
                                  const IPC::Principal& aPrincipal,
                                  InfallibleTArray<nsString>* aRetvals) MOZ_OVERRIDE;
     virtual bool RecvRpcMessage(const nsString& aMsg,
                                 const ClonedMessageData& aData,
-                                const InfallibleTArray<CpowEntry>& aCpows,
+                                InfallibleTArray<CpowEntry>&& aCpows,
                                 const IPC::Principal& aPrincipal,
                                 InfallibleTArray<nsString>* aRetvals) MOZ_OVERRIDE;
     virtual bool RecvAsyncMessage(const nsString& aMsg,
                                   const ClonedMessageData& aData,
-                                  const InfallibleTArray<CpowEntry>& aCpows,
+                                  InfallibleTArray<CpowEntry>&& aCpows,
                                   const IPC::Principal& aPrincipal) MOZ_OVERRIDE;
 
     virtual bool RecvFilePathUpdateNotify(const nsString& aType,
@@ -713,7 +713,7 @@ private:
     virtual bool RecvNuwaWaitForFreeze() MOZ_OVERRIDE;
 
     virtual bool RecvAddNewProcess(const uint32_t& aPid,
-                                   const InfallibleTArray<ProtocolFdMapping>& aFds) MOZ_OVERRIDE;
+                                   InfallibleTArray<ProtocolFdMapping>&& aFds) MOZ_OVERRIDE;
 
     virtual bool RecvCreateFakeVolume(const nsString& fsName, const nsString& mountPoint) MOZ_OVERRIDE;
 
diff --git a/dom/ipc/FilePickerParent.cpp b/dom/ipc/FilePickerParent.cpp
index 2636d273c2c8..7093abd31431 100644
--- a/dom/ipc/FilePickerParent.cpp
+++ b/dom/ipc/FilePickerParent.cpp
@@ -201,8 +201,8 @@ FilePickerParent::RecvOpen(const int16_t& aSelectedType,
                            const bool& aAddToRecentDocs,
                            const nsString& aDefaultFile,
                            const nsString& aDefaultExtension,
-                           const InfallibleTArray<nsString>& aFilters,
-                           const InfallibleTArray<nsString>& aFilterNames,
+                           InfallibleTArray<nsString>&& aFilters,
+                           InfallibleTArray<nsString>&& aFilterNames,
                            const nsString& aDisplayDirectory)
 {
   if (!CreateFilePicker()) {
diff --git a/dom/ipc/FilePickerParent.h b/dom/ipc/FilePickerParent.h
index 5bcc82533c22..001a690cc02e 100644
--- a/dom/ipc/FilePickerParent.h
+++ b/dom/ipc/FilePickerParent.h
@@ -35,8 +35,8 @@ class FilePickerParent : public PFilePickerParent
                         const bool& aAddToRecentDocs,
                         const nsString& aDefaultFile,
                         const nsString& aDefaultExtension,
-                        const InfallibleTArray<nsString>& aFilters,
-                        const InfallibleTArray<nsString>& aFilterNames,
+                        InfallibleTArray<nsString>&& aFilters,
+                        InfallibleTArray<nsString>&& aFilterNames,
                         const nsString& aDisplayDirectory) MOZ_OVERRIDE;
 
   virtual void ActorDestroy(ActorDestroyReason aWhy) MOZ_OVERRIDE;
diff --git a/dom/ipc/TabChild.cpp b/dom/ipc/TabChild.cpp
index 7fa8042f0664..6943ee2df508 100644
--- a/dom/ipc/TabChild.cpp
+++ b/dom/ipc/TabChild.cpp
@@ -2978,7 +2978,7 @@ TabChild::RecvLoadRemoteScript(const nsString& aURL, const bool& aRunInGlobalSco
 bool
 TabChild::RecvAsyncMessage(const nsString& aMessage,
                            const ClonedMessageData& aData,
-                           const InfallibleTArray<CpowEntry>& aCpows,
+                           InfallibleTArray<CpowEntry>&& aCpows,
                            const IPC::Principal& aPrincipal)
 {
   if (mTabChildGlobal) {
diff --git a/dom/ipc/TabChild.h b/dom/ipc/TabChild.h
index ca5d41cad3ab..8ce8cd1d7cad 100644
--- a/dom/ipc/TabChild.h
+++ b/dom/ipc/TabChild.h
@@ -375,7 +375,7 @@ public:
                                       const bool& aRunInGlobalScope) MOZ_OVERRIDE;
     virtual bool RecvAsyncMessage(const nsString& aMessage,
                                   const ClonedMessageData& aData,
-                                  const InfallibleTArray<CpowEntry>& aCpows,
+                                  InfallibleTArray<CpowEntry>&& aCpows,
                                   const IPC::Principal& aPrincipal) MOZ_OVERRIDE;
 
     virtual bool RecvAppOfflineStatus(const uint32_t& aId, const bool& aOffline) MOZ_OVERRIDE;
diff --git a/dom/ipc/TabParent.cpp b/dom/ipc/TabParent.cpp
index 44d07ba9501d..7d122f72e9c2 100644
--- a/dom/ipc/TabParent.cpp
+++ b/dom/ipc/TabParent.cpp
@@ -1287,7 +1287,7 @@ TabParent::TryCapture(const WidgetGUIEvent& aEvent)
 bool
 TabParent::RecvSyncMessage(const nsString& aMessage,
                            const ClonedMessageData& aData,
-                           const InfallibleTArray<CpowEntry>& aCpows,
+                           InfallibleTArray<CpowEntry>&& aCpows,
                            const IPC::Principal& aPrincipal,
                            InfallibleTArray<nsString>* aJSONRetVal)
 {
@@ -1309,7 +1309,7 @@ TabParent::RecvSyncMessage(const nsString& aMessage,
 bool
 TabParent::RecvRpcMessage(const nsString& aMessage,
                           const ClonedMessageData& aData,
-                          const InfallibleTArray<CpowEntry>& aCpows,
+                          InfallibleTArray<CpowEntry>&& aCpows,
                           const IPC::Principal& aPrincipal,
                           InfallibleTArray<nsString>* aJSONRetVal)
 {
@@ -1331,7 +1331,7 @@ TabParent::RecvRpcMessage(const nsString& aMessage,
 bool
 TabParent::RecvAsyncMessage(const nsString& aMessage,
                             const ClonedMessageData& aData,
-                            const InfallibleTArray<CpowEntry>& aCpows,
+                            InfallibleTArray<CpowEntry>&& aCpows,
                             const IPC::Principal& aPrincipal)
 {
   // FIXME Permission check for TabParent in Content process
@@ -1500,7 +1500,7 @@ TabParent::RecvNotifyIMETextChange(const uint32_t& aStart,
 bool
 TabParent::RecvNotifyIMESelectedCompositionRect(
   const uint32_t& aOffset,
-  const InfallibleTArray<nsIntRect>& aRects,
+  InfallibleTArray<nsIntRect>&& aRects,
   const uint32_t& aCaretOffset,
   const nsIntRect& aCaretRect)
 {
@@ -1581,7 +1581,7 @@ TabParent::RecvNotifyIMEEditorRect(const nsIntRect& aRect)
 bool
 TabParent::RecvNotifyIMEPositionChange(
              const nsIntRect& aEditorRect,
-             const InfallibleTArray<nsIntRect>& aCompositionRects,
+             InfallibleTArray<nsIntRect>&& aCompositionRects,
              const nsIntRect& aCaretRect)
 {
   mIMEEditorRect = aEditorRect;
@@ -1625,8 +1625,8 @@ TabParent::RecvRequestFocus(const bool& aCanRaise)
 
 bool
 TabParent::RecvEnableDisableCommands(const nsString& aAction,
-                                     const nsTArray<nsCString>& aEnabledCommands,
-                                     const nsTArray<nsCString>& aDisabledCommands)
+                                     nsTArray<nsCString>&& aEnabledCommands,
+                                     nsTArray<nsCString>&& aDisabledCommands)
 {
   nsCOMPtr<nsIRemoteBrowser> remoteBrowser = do_QueryInterface(mFrameElement);
   if (remoteBrowser) {
@@ -2352,7 +2352,7 @@ TabParent::RecvContentReceivedInputBlock(const ScrollableLayerGuid& aGuid,
 
 bool
 TabParent::RecvSetTargetAPZC(const uint64_t& aInputBlockId,
-                             const nsTArray<ScrollableLayerGuid>& aTargets)
+                             nsTArray<ScrollableLayerGuid>&& aTargets)
 {
   if (RenderFrameParent* rfp = GetRenderFrame()) {
     rfp->SetTargetAPZC(aInputBlockId, aTargets);
diff --git a/dom/ipc/TabParent.h b/dom/ipc/TabParent.h
index 057fbd68703a..aa04e9daf25d 100644
--- a/dom/ipc/TabParent.h
+++ b/dom/ipc/TabParent.h
@@ -147,17 +147,17 @@ public:
                                   InfallibleTArray<FrameScriptInfo>* aFrameScripts) MOZ_OVERRIDE;
     virtual bool RecvSyncMessage(const nsString& aMessage,
                                  const ClonedMessageData& aData,
-                                 const InfallibleTArray<CpowEntry>& aCpows,
+                                 InfallibleTArray<CpowEntry>&& aCpows,
                                  const IPC::Principal& aPrincipal,
                                  InfallibleTArray<nsString>* aJSONRetVal) MOZ_OVERRIDE;
     virtual bool RecvRpcMessage(const nsString& aMessage,
                                 const ClonedMessageData& aData,
-                                const InfallibleTArray<CpowEntry>& aCpows,
+                                InfallibleTArray<CpowEntry>&& aCpows,
                                 const IPC::Principal& aPrincipal,
                                 InfallibleTArray<nsString>* aJSONRetVal) MOZ_OVERRIDE;
     virtual bool RecvAsyncMessage(const nsString& aMessage,
                                   const ClonedMessageData& aData,
-                                  const InfallibleTArray<CpowEntry>& aCpows,
+                                  InfallibleTArray<CpowEntry>&& aCpows,
                                   const IPC::Principal& aPrincipal) MOZ_OVERRIDE;
     virtual bool RecvNotifyIMEFocus(const bool& aFocus,
                                     nsIMEUpdatePreference* aPreference,
@@ -168,7 +168,7 @@ public:
                                          const bool& aCausedByComposition) MOZ_OVERRIDE;
     virtual bool RecvNotifyIMESelectedCompositionRect(
                    const uint32_t& aOffset,
-                   const InfallibleTArray<nsIntRect>& aRects,
+                   InfallibleTArray<nsIntRect>&& aRects,
                    const uint32_t& aCaretOffset,
                    const nsIntRect& aCaretRect) MOZ_OVERRIDE;
     virtual bool RecvNotifyIMESelection(const uint32_t& aSeqno,
@@ -182,7 +182,7 @@ public:
     virtual bool RecvNotifyIMEEditorRect(const nsIntRect& aRect) MOZ_OVERRIDE;
     virtual bool RecvNotifyIMEPositionChange(
                    const nsIntRect& aEditoRect,
-                   const InfallibleTArray<nsIntRect>& aCompositionRects,
+                   InfallibleTArray<nsIntRect>&& aCompositionRects,
                    const nsIntRect& aCaretRect) MOZ_OVERRIDE;
     virtual bool RecvEndIMEComposition(const bool& aCancel,
                                        nsString* aComposition) MOZ_OVERRIDE;
@@ -198,8 +198,8 @@ public:
                                      const int32_t& aFocusChange) MOZ_OVERRIDE;
     virtual bool RecvRequestFocus(const bool& aCanRaise) MOZ_OVERRIDE;
     virtual bool RecvEnableDisableCommands(const nsString& aAction,
-                                           const nsTArray<nsCString>& aEnabledCommands,
-                                           const nsTArray<nsCString>& aDisabledCommands) MOZ_OVERRIDE;
+                                           nsTArray<nsCString>&& aEnabledCommands,
+                                           nsTArray<nsCString>&& aDisabledCommands) MOZ_OVERRIDE;
     virtual bool RecvSetCursor(const uint32_t& aValue, const bool& aForce) MOZ_OVERRIDE;
     virtual bool RecvSetBackgroundColor(const nscolor& aValue) MOZ_OVERRIDE;
     virtual bool RecvSetStatus(const uint32_t& aType, const nsString& aStatus) MOZ_OVERRIDE;
@@ -220,7 +220,7 @@ public:
                                                const uint64_t& aInputBlockId,
                                                const bool& aPreventDefault) MOZ_OVERRIDE;
     virtual bool RecvSetTargetAPZC(const uint64_t& aInputBlockId,
-                                   const nsTArray<ScrollableLayerGuid>& aTargets) MOZ_OVERRIDE;
+                                   nsTArray<ScrollableLayerGuid>&& aTargets) MOZ_OVERRIDE;
 
     virtual PColorPickerParent*
     AllocPColorPickerParent(const nsString& aTitle, const nsString& aInitialColor) MOZ_OVERRIDE;
diff --git a/dom/ipc/nsIContentChild.cpp b/dom/ipc/nsIContentChild.cpp
index 05db627d3ca5..bcbedc01803a 100644
--- a/dom/ipc/nsIContentChild.cpp
+++ b/dom/ipc/nsIContentChild.cpp
@@ -115,7 +115,7 @@ nsIContentChild::GetOrCreateActorForBlob(File* aBlob)
 bool
 nsIContentChild::RecvAsyncMessage(const nsString& aMsg,
                                   const ClonedMessageData& aData,
-                                  const InfallibleTArray<CpowEntry>& aCpows,
+                                  InfallibleTArray<CpowEntry>&& aCpows,
                                   const IPC::Principal& aPrincipal)
 {
   nsRefPtr<nsFrameMessageManager> cpm = nsFrameMessageManager::sChildProcessManager;
diff --git a/dom/ipc/nsIContentChild.h b/dom/ipc/nsIContentChild.h
index e95a277de40d..5d729a6f4b46 100644
--- a/dom/ipc/nsIContentChild.h
+++ b/dom/ipc/nsIContentChild.h
@@ -78,7 +78,7 @@ protected:
 
   virtual bool RecvAsyncMessage(const nsString& aMsg,
                                 const ClonedMessageData& aData,
-                                const InfallibleTArray<jsipc::CpowEntry>& aCpows,
+                                InfallibleTArray<jsipc::CpowEntry>&& aCpows,
                                 const IPC::Principal& aPrincipal);
 };
 
diff --git a/dom/ipc/nsIContentParent.cpp b/dom/ipc/nsIContentParent.cpp
index 1ffefc698be9..93e567875dec 100644
--- a/dom/ipc/nsIContentParent.cpp
+++ b/dom/ipc/nsIContentParent.cpp
@@ -180,7 +180,7 @@ nsIContentParent::GetOrCreateActorForBlob(File* aBlob)
 bool
 nsIContentParent::RecvSyncMessage(const nsString& aMsg,
                                   const ClonedMessageData& aData,
-                                  const InfallibleTArray<CpowEntry>& aCpows,
+                                  InfallibleTArray<CpowEntry>&& aCpows,
                                   const IPC::Principal& aPrincipal,
                                   InfallibleTArray<nsString>* aRetvals)
 {
@@ -207,7 +207,7 @@ nsIContentParent::RecvSyncMessage(const nsString& aMsg,
 bool
 nsIContentParent::RecvRpcMessage(const nsString& aMsg,
                                  const ClonedMessageData& aData,
-                                 const InfallibleTArray<CpowEntry>& aCpows,
+                                 InfallibleTArray<CpowEntry>&& aCpows,
                                  const IPC::Principal& aPrincipal,
                                  InfallibleTArray<nsString>* aRetvals)
 {
@@ -234,7 +234,7 @@ nsIContentParent::RecvRpcMessage(const nsString& aMsg,
 bool
 nsIContentParent::RecvAsyncMessage(const nsString& aMsg,
                                    const ClonedMessageData& aData,
-                                   const InfallibleTArray<CpowEntry>& aCpows,
+                                   InfallibleTArray<CpowEntry>&& aCpows,
                                    const IPC::Principal& aPrincipal)
 {
   // FIXME Permission check in Content process
diff --git a/dom/ipc/nsIContentParent.h b/dom/ipc/nsIContentParent.h
index 3ad1a196df5b..e1174d454bc8 100644
--- a/dom/ipc/nsIContentParent.h
+++ b/dom/ipc/nsIContentParent.h
@@ -92,17 +92,17 @@ protected: // IPDL methods
 
   virtual bool RecvSyncMessage(const nsString& aMsg,
                                const ClonedMessageData& aData,
-                               const InfallibleTArray<jsipc::CpowEntry>& aCpows,
+                               InfallibleTArray<jsipc::CpowEntry>&& aCpows,
                                const IPC::Principal& aPrincipal,
                                InfallibleTArray<nsString>* aRetvals);
   virtual bool RecvRpcMessage(const nsString& aMsg,
                               const ClonedMessageData& aData,
-                              const InfallibleTArray<jsipc::CpowEntry>& aCpows,
+                              InfallibleTArray<jsipc::CpowEntry>&& aCpows,
                               const IPC::Principal& aPrincipal,
                               InfallibleTArray<nsString>* aRetvals);
   virtual bool RecvAsyncMessage(const nsString& aMsg,
                                 const ClonedMessageData& aData,
-                                const InfallibleTArray<jsipc::CpowEntry>& aCpows,
+                                InfallibleTArray<jsipc::CpowEntry>&& aCpows,
                                 const IPC::Principal& aPrincipal);
 
 protected: // members
diff --git a/dom/media/gmp/GMPDecryptorChild.cpp b/dom/media/gmp/GMPDecryptorChild.cpp
index 2c8598e7e4d5..b8cf43da7cf8 100644
--- a/dom/media/gmp/GMPDecryptorChild.cpp
+++ b/dom/media/gmp/GMPDecryptorChild.cpp
@@ -211,7 +211,7 @@ bool
 GMPDecryptorChild::RecvCreateSession(const uint32_t& aCreateSessionToken,
                                      const uint32_t& aPromiseId,
                                      const nsCString& aInitDataType,
-                                     const nsTArray<uint8_t>& aInitData,
+                                     InfallibleTArray<uint8_t>&& aInitData,
                                      const GMPSessionType& aSessionType)
 {
   if (!mSession) {
@@ -247,7 +247,7 @@ GMPDecryptorChild::RecvLoadSession(const uint32_t& aPromiseId,
 bool
 GMPDecryptorChild::RecvUpdateSession(const uint32_t& aPromiseId,
                                      const nsCString& aSessionId,
-                                     const nsTArray<uint8_t>& aResponse)
+                                     InfallibleTArray<uint8_t>&& aResponse)
 {
   if (!mSession) {
     return false;
@@ -294,7 +294,7 @@ GMPDecryptorChild::RecvRemoveSession(const uint32_t& aPromiseId,
 
 bool
 GMPDecryptorChild::RecvSetServerCertificate(const uint32_t& aPromiseId,
-                                            const nsTArray<uint8_t>& aServerCert)
+                                            InfallibleTArray<uint8_t>&& aServerCert)
 {
   if (!mSession) {
     return false;
@@ -309,7 +309,7 @@ GMPDecryptorChild::RecvSetServerCertificate(const uint32_t& aPromiseId,
 
 bool
 GMPDecryptorChild::RecvDecrypt(const uint32_t& aId,
-                               const nsTArray<uint8_t>& aBuffer,
+                               InfallibleTArray<uint8_t>&& aBuffer,
                                const GMPDecryptionData& aMetadata)
 {
   if (!mSession) {
diff --git a/dom/media/gmp/GMPDecryptorChild.h b/dom/media/gmp/GMPDecryptorChild.h
index cfb8a9d5f0a2..ee1f72c327fd 100644
--- a/dom/media/gmp/GMPDecryptorChild.h
+++ b/dom/media/gmp/GMPDecryptorChild.h
@@ -92,7 +92,7 @@ private:
   virtual bool RecvCreateSession(const uint32_t& aCreateSessionToken,
                                  const uint32_t& aPromiseId,
                                  const nsCString& aInitDataType,
-                                 const nsTArray<uint8_t>& aInitData,
+                                 InfallibleTArray<uint8_t>&& aInitData,
                                  const GMPSessionType& aSessionType) MOZ_OVERRIDE;
 
   virtual bool RecvLoadSession(const uint32_t& aPromiseId,
@@ -100,7 +100,7 @@ private:
 
   virtual bool RecvUpdateSession(const uint32_t& aPromiseId,
                                  const nsCString& aSessionId,
-                                 const nsTArray<uint8_t>& aResponse) MOZ_OVERRIDE;
+                                 InfallibleTArray<uint8_t>&& aResponse) MOZ_OVERRIDE;
 
   virtual bool RecvCloseSession(const uint32_t& aPromiseId,
                                 const nsCString& aSessionId) MOZ_OVERRIDE;
@@ -109,12 +109,12 @@ private:
                                  const nsCString& aSessionId) MOZ_OVERRIDE;
 
   virtual bool RecvDecrypt(const uint32_t& aId,
-                           const nsTArray<uint8_t>& aBuffer,
+                           InfallibleTArray<uint8_t>&& aBuffer,
                            const GMPDecryptionData& aMetadata) MOZ_OVERRIDE;
 
   // Resolve/reject promise on completion.
   virtual bool RecvSetServerCertificate(const uint32_t& aPromiseId,
-                                        const nsTArray<uint8_t>& aServerCert) MOZ_OVERRIDE;
+                                        InfallibleTArray<uint8_t>&& aServerCert) MOZ_OVERRIDE;
 
   virtual bool RecvDecryptingComplete() MOZ_OVERRIDE;
 
diff --git a/dom/media/gmp/GMPDecryptorParent.cpp b/dom/media/gmp/GMPDecryptorParent.cpp
index 94f9020f8397..946687b786e5 100644
--- a/dom/media/gmp/GMPDecryptorParent.cpp
+++ b/dom/media/gmp/GMPDecryptorParent.cpp
@@ -214,7 +214,7 @@ GMPDecryptorParent::RecvRejectPromise(const uint32_t& aPromiseId,
 bool
 GMPDecryptorParent::RecvSessionMessage(const nsCString& aSessionId,
                                        const GMPSessionMessageType& aMessageType,
-                                       const nsTArray<uint8_t>& aMessage)
+                                       nsTArray<uint8_t>&& aMessage)
 {
   if (!mIsOpen) {
     NS_WARNING("Trying to use a dead GMP decrypter!");
@@ -266,7 +266,7 @@ GMPDecryptorParent::RecvSessionError(const nsCString& aSessionId,
 
 bool
 GMPDecryptorParent::RecvKeyIdUsable(const nsCString& aSessionId,
-                                    const nsTArray<uint8_t>& aKeyId)
+                                    InfallibleTArray<uint8_t>&& aKeyId)
 {
   if (!mIsOpen) {
     NS_WARNING("Trying to use a dead GMP decrypter!");
@@ -278,7 +278,7 @@ GMPDecryptorParent::RecvKeyIdUsable(const nsCString& aSessionId,
 
 bool
 GMPDecryptorParent::RecvKeyIdNotUsable(const nsCString& aSessionId,
-                                       const nsTArray<uint8_t>& aKeyId)
+                                       InfallibleTArray<uint8_t>&& aKeyId)
 {
   if (!mIsOpen) {
     NS_WARNING("Trying to use a dead GMP decrypter!");
@@ -302,7 +302,7 @@ GMPDecryptorParent::RecvSetCaps(const uint64_t& aCaps)
 bool
 GMPDecryptorParent::RecvDecrypted(const uint32_t& aId,
                                   const GMPErr& aErr,
-                                  const nsTArray<uint8_t>& aBuffer)
+                                  InfallibleTArray<uint8_t>&& aBuffer)
 {
   if (!mIsOpen) {
     NS_WARNING("Trying to use a dead GMP decrypter!");
diff --git a/dom/media/gmp/GMPDecryptorParent.h b/dom/media/gmp/GMPDecryptorParent.h
index 207160602ebe..b61e6e87e62e 100644
--- a/dom/media/gmp/GMPDecryptorParent.h
+++ b/dom/media/gmp/GMPDecryptorParent.h
@@ -79,7 +79,7 @@ private:
 
   virtual bool RecvSessionMessage(const nsCString& aSessionId,
                                   const GMPSessionMessageType& aMessageType,
-                                  const nsTArray<uint8_t>& aMessage) MOZ_OVERRIDE;
+                                  nsTArray<uint8_t>&& aMessage) MOZ_OVERRIDE;
 
   virtual bool RecvExpirationChange(const nsCString& aSessionId,
                                     const double& aExpiryTime) MOZ_OVERRIDE;
@@ -92,14 +92,14 @@ private:
                                 const nsCString& aMessage) MOZ_OVERRIDE;
 
   virtual bool RecvKeyIdUsable(const nsCString& aSessionId,
-                                const nsTArray<uint8_t>& aKeyId) MOZ_OVERRIDE;
+                               InfallibleTArray<uint8_t>&& aKeyId) MOZ_OVERRIDE;
 
   virtual bool RecvKeyIdNotUsable(const nsCString& aSessionId,
-                                  const nsTArray<uint8_t>& aKeyId) MOZ_OVERRIDE;
+                                  InfallibleTArray<uint8_t>&& aKeyId) MOZ_OVERRIDE;
 
   virtual bool RecvDecrypted(const uint32_t& aId,
                              const GMPErr& aErr,
-                             const nsTArray<uint8_t>& aBuffer) MOZ_OVERRIDE;
+                             InfallibleTArray<uint8_t>&& aBuffer) MOZ_OVERRIDE;
 
   virtual bool RecvSetCaps(const uint64_t& aCaps) MOZ_OVERRIDE;
 
diff --git a/dom/media/gmp/GMPStorageChild.cpp b/dom/media/gmp/GMPStorageChild.cpp
index 30d16f27fdea..e41c6cc3351e 100644
--- a/dom/media/gmp/GMPStorageChild.cpp
+++ b/dom/media/gmp/GMPStorageChild.cpp
@@ -242,7 +242,7 @@ GMPStorageChild::RecvOpenComplete(const nsCString& aRecordName,
 bool
 GMPStorageChild::RecvReadComplete(const nsCString& aRecordName,
                                   const GMPErr& aStatus,
-                                  const InfallibleTArray<uint8_t>& aBytes)
+                                  InfallibleTArray<uint8_t>&& aBytes)
 {
   if (mShutdown) {
     return true;
@@ -330,7 +330,7 @@ private:
 };
 
 bool
-GMPStorageChild::RecvRecordNames(const InfallibleTArray<nsCString>& aRecordNames,
+GMPStorageChild::RecvRecordNames(InfallibleTArray<nsCString>&& aRecordNames,
                                  const GMPErr& aStatus)
 {
   RecordIteratorContext ctx;
diff --git a/dom/media/gmp/GMPStorageChild.h b/dom/media/gmp/GMPStorageChild.h
index 4973aeabf232..972b1b3e1bea 100644
--- a/dom/media/gmp/GMPStorageChild.h
+++ b/dom/media/gmp/GMPStorageChild.h
@@ -85,10 +85,10 @@ protected:
                                 const GMPErr& aStatus) MOZ_OVERRIDE;
   virtual bool RecvReadComplete(const nsCString& aRecordName,
                                 const GMPErr& aStatus,
-                                const InfallibleTArray<uint8_t>& aBytes) MOZ_OVERRIDE;
+                                InfallibleTArray<uint8_t>&& aBytes) MOZ_OVERRIDE;
   virtual bool RecvWriteComplete(const nsCString& aRecordName,
                                  const GMPErr& aStatus) MOZ_OVERRIDE;
-  virtual bool RecvRecordNames(const InfallibleTArray<nsCString>& aRecordNames,
+  virtual bool RecvRecordNames(InfallibleTArray<nsCString>&& aRecordNames,
                                const GMPErr& aStatus) MOZ_OVERRIDE;
   virtual bool RecvShutdown() MOZ_OVERRIDE;
 
diff --git a/dom/media/gmp/GMPStorageParent.cpp b/dom/media/gmp/GMPStorageParent.cpp
index 494702e2aa60..5274e8b8ec7f 100644
--- a/dom/media/gmp/GMPStorageParent.cpp
+++ b/dom/media/gmp/GMPStorageParent.cpp
@@ -540,7 +540,7 @@ GMPStorageParent::RecvRead(const nsCString& aRecordName)
 
 bool
 GMPStorageParent::RecvWrite(const nsCString& aRecordName,
-                            const InfallibleTArray<uint8_t>& aBytes)
+                            InfallibleTArray<uint8_t>&& aBytes)
 {
   LOGD(("%s::%s: %p record=%s", __CLASS__, __FUNCTION__, this, aRecordName.get()));
 
diff --git a/dom/media/gmp/GMPStorageParent.h b/dom/media/gmp/GMPStorageParent.h
index a9e3bc46b64d..403e43a3fbef 100644
--- a/dom/media/gmp/GMPStorageParent.h
+++ b/dom/media/gmp/GMPStorageParent.h
@@ -42,7 +42,7 @@ protected:
   virtual bool RecvOpen(const nsCString& aRecordName) MOZ_OVERRIDE;
   virtual bool RecvRead(const nsCString& aRecordName) MOZ_OVERRIDE;
   virtual bool RecvWrite(const nsCString& aRecordName,
-                         const InfallibleTArray<uint8_t>& aBytes) MOZ_OVERRIDE;
+                         InfallibleTArray<uint8_t>&& aBytes) MOZ_OVERRIDE;
   virtual bool RecvGetRecordNames() MOZ_OVERRIDE;
   virtual bool RecvClose(const nsCString& aRecordName) MOZ_OVERRIDE;
   virtual void ActorDestroy(ActorDestroyReason aWhy) MOZ_OVERRIDE;
diff --git a/dom/media/gmp/GMPVideoDecoderChild.cpp b/dom/media/gmp/GMPVideoDecoderChild.cpp
index 8afe79e5140e..bed62b923c91 100644
--- a/dom/media/gmp/GMPVideoDecoderChild.cpp
+++ b/dom/media/gmp/GMPVideoDecoderChild.cpp
@@ -107,7 +107,7 @@ GMPVideoDecoderChild::Error(GMPErr aError)
 
 bool
 GMPVideoDecoderChild::RecvInitDecode(const GMPVideoCodec& aCodecSettings,
-                                     const nsTArray<uint8_t>& aCodecSpecific,
+                                     InfallibleTArray<uint8_t>&& aCodecSpecific,
                                      const int32_t& aCoreCount)
 {
   if (!mVideoDecoder) {
@@ -126,7 +126,7 @@ GMPVideoDecoderChild::RecvInitDecode(const GMPVideoCodec& aCodecSettings,
 bool
 GMPVideoDecoderChild::RecvDecode(const GMPVideoEncodedFrameData& aInputFrame,
                                  const bool& aMissingFrames,
-                                 const nsTArray<uint8_t>& aCodecSpecificInfo,
+                                 InfallibleTArray<uint8_t>&& aCodecSpecificInfo,
                                  const int64_t& aRenderTimeMs)
 {
   if (!mVideoDecoder) {
@@ -146,7 +146,7 @@ GMPVideoDecoderChild::RecvDecode(const GMPVideoEncodedFrameData& aInputFrame,
 }
 
 bool
-GMPVideoDecoderChild::RecvChildShmemForPool(Shmem& aFrameBuffer)
+GMPVideoDecoderChild::RecvChildShmemForPool(Shmem&& aFrameBuffer)
 {
   if (aFrameBuffer.IsWritable()) {
     mVideoHost.SharedMemMgr()->MgrDeallocShmem(GMPSharedMem::kGMPFrameData,
diff --git a/dom/media/gmp/GMPVideoDecoderChild.h b/dom/media/gmp/GMPVideoDecoderChild.h
index d5438481d4e5..c28e62f279d3 100644
--- a/dom/media/gmp/GMPVideoDecoderChild.h
+++ b/dom/media/gmp/GMPVideoDecoderChild.h
@@ -63,13 +63,13 @@ public:
 private:
   // PGMPVideoDecoderChild
   virtual bool RecvInitDecode(const GMPVideoCodec& aCodecSettings,
-                              const nsTArray<uint8_t>& aCodecSpecific,
+                              InfallibleTArray<uint8_t>&& aCodecSpecific,
                               const int32_t& aCoreCount) MOZ_OVERRIDE;
   virtual bool RecvDecode(const GMPVideoEncodedFrameData& aInputFrame,
                           const bool& aMissingFrames,
-                          const nsTArray<uint8_t>& aCodecSpecificInfo,
+                          InfallibleTArray<uint8_t>&& aCodecSpecificInfo,
                           const int64_t& aRenderTimeMs) MOZ_OVERRIDE;
-  virtual bool RecvChildShmemForPool(Shmem& aFrameBuffer) MOZ_OVERRIDE;
+  virtual bool RecvChildShmemForPool(Shmem&& aFrameBuffer) MOZ_OVERRIDE;
   virtual bool RecvReset() MOZ_OVERRIDE;
   virtual bool RecvDrain() MOZ_OVERRIDE;
   virtual bool RecvDecodingComplete() MOZ_OVERRIDE;
diff --git a/dom/media/gmp/GMPVideoDecoderParent.cpp b/dom/media/gmp/GMPVideoDecoderParent.cpp
index 27284a7f20f8..4c26bfe508af 100644
--- a/dom/media/gmp/GMPVideoDecoderParent.cpp
+++ b/dom/media/gmp/GMPVideoDecoderParent.cpp
@@ -322,7 +322,7 @@ GMPVideoDecoderParent::RecvError(const GMPErr& aError)
 }
 
 bool
-GMPVideoDecoderParent::RecvParentShmemForPool(Shmem& aEncodedBuffer)
+GMPVideoDecoderParent::RecvParentShmemForPool(Shmem&& aEncodedBuffer)
 {
   if (aEncodedBuffer.IsWritable()) {
     mVideoHost.SharedMemMgr()->MgrDeallocShmem(GMPSharedMem::kGMPEncodedData,
diff --git a/dom/media/gmp/GMPVideoDecoderParent.h b/dom/media/gmp/GMPVideoDecoderParent.h
index 36f3b2bc349b..533c99cf0d48 100644
--- a/dom/media/gmp/GMPVideoDecoderParent.h
+++ b/dom/media/gmp/GMPVideoDecoderParent.h
@@ -71,7 +71,7 @@ private:
   virtual bool RecvDrainComplete() MOZ_OVERRIDE;
   virtual bool RecvResetComplete() MOZ_OVERRIDE;
   virtual bool RecvError(const GMPErr& aError) MOZ_OVERRIDE;
-  virtual bool RecvParentShmemForPool(Shmem& aEncodedBuffer) MOZ_OVERRIDE;
+  virtual bool RecvParentShmemForPool(Shmem&& aEncodedBuffer) MOZ_OVERRIDE;
   virtual bool AnswerNeedShmem(const uint32_t& aFrameBufferSize,
                                Shmem* aMem) MOZ_OVERRIDE;
   virtual bool Recv__delete__() MOZ_OVERRIDE;
diff --git a/dom/media/gmp/GMPVideoEncoderChild.cpp b/dom/media/gmp/GMPVideoEncoderChild.cpp
index 446e46263780..14df35e28e48 100644
--- a/dom/media/gmp/GMPVideoEncoderChild.cpp
+++ b/dom/media/gmp/GMPVideoEncoderChild.cpp
@@ -68,7 +68,7 @@ GMPVideoEncoderChild::Error(GMPErr aError)
 
 bool
 GMPVideoEncoderChild::RecvInitEncode(const GMPVideoCodec& aCodecSettings,
-                                     const nsTArray<uint8_t>& aCodecSpecific,
+                                     InfallibleTArray<uint8_t>&& aCodecSpecific,
                                      const int32_t& aNumberOfCores,
                                      const uint32_t& aMaxPayloadSize)
 {
@@ -89,8 +89,8 @@ GMPVideoEncoderChild::RecvInitEncode(const GMPVideoCodec& aCodecSettings,
 
 bool
 GMPVideoEncoderChild::RecvEncode(const GMPVideoi420FrameData& aInputFrame,
-                                 const nsTArray<uint8_t>& aCodecSpecificInfo,
-                                 const nsTArray<GMPVideoFrameType>& aFrameTypes)
+                                 InfallibleTArray<uint8_t>&& aCodecSpecificInfo,
+                                 InfallibleTArray<GMPVideoFrameType>&& aFrameTypes)
 {
   if (!mVideoEncoder) {
     return false;
@@ -109,7 +109,7 @@ GMPVideoEncoderChild::RecvEncode(const GMPVideoi420FrameData& aInputFrame,
 }
 
 bool
-GMPVideoEncoderChild::RecvChildShmemForPool(Shmem& aEncodedBuffer)
+GMPVideoEncoderChild::RecvChildShmemForPool(Shmem&& aEncodedBuffer)
 {
   if (aEncodedBuffer.IsWritable()) {
     mVideoHost.SharedMemMgr()->MgrDeallocShmem(GMPSharedMem::kGMPEncodedData,
diff --git a/dom/media/gmp/GMPVideoEncoderChild.h b/dom/media/gmp/GMPVideoEncoderChild.h
index 70b71e05146e..921e42f1ec63 100644
--- a/dom/media/gmp/GMPVideoEncoderChild.h
+++ b/dom/media/gmp/GMPVideoEncoderChild.h
@@ -59,13 +59,13 @@ public:
 private:
   // PGMPVideoEncoderChild
   virtual bool RecvInitEncode(const GMPVideoCodec& aCodecSettings,
-                              const nsTArray<uint8_t>& aCodecSpecific,
+                              InfallibleTArray<uint8_t>&& aCodecSpecific,
                               const int32_t& aNumberOfCores,
                               const uint32_t& aMaxPayloadSize) MOZ_OVERRIDE;
   virtual bool RecvEncode(const GMPVideoi420FrameData& aInputFrame,
-                          const nsTArray<uint8_t>& aCodecSpecificInfo,
-                          const nsTArray<GMPVideoFrameType>& aFrameTypes) MOZ_OVERRIDE;
-  virtual bool RecvChildShmemForPool(Shmem& aEncodedBuffer) MOZ_OVERRIDE;
+                          InfallibleTArray<uint8_t>&& aCodecSpecificInfo,
+                          InfallibleTArray<GMPVideoFrameType>&& aFrameTypes) MOZ_OVERRIDE;
+  virtual bool RecvChildShmemForPool(Shmem&& aEncodedBuffer) MOZ_OVERRIDE;
   virtual bool RecvSetChannelParameters(const uint32_t& aPacketLoss,
                                         const uint32_t& aRTT) MOZ_OVERRIDE;
   virtual bool RecvSetRates(const uint32_t& aNewBitRate,
diff --git a/dom/media/gmp/GMPVideoEncoderParent.cpp b/dom/media/gmp/GMPVideoEncoderParent.cpp
index 44dbd5e1d30e..3882bcaa5127 100644
--- a/dom/media/gmp/GMPVideoEncoderParent.cpp
+++ b/dom/media/gmp/GMPVideoEncoderParent.cpp
@@ -288,7 +288,7 @@ EncodedCallback(GMPVideoEncoderCallbackProxy* aCallback,
 
 bool
 GMPVideoEncoderParent::RecvEncoded(const GMPVideoEncodedFrameData& aEncodedFrame,
-                                   const nsTArray<uint8_t>& aCodecSpecificInfo)
+                                   InfallibleTArray<uint8_t>&& aCodecSpecificInfo)
 {
   if (!mCallback) {
     return false;
@@ -320,7 +320,7 @@ GMPVideoEncoderParent::RecvError(const GMPErr& aError)
 }
 
 bool
-GMPVideoEncoderParent::RecvParentShmemForPool(Shmem& aFrameBuffer)
+GMPVideoEncoderParent::RecvParentShmemForPool(Shmem&& aFrameBuffer)
 {
   if (aFrameBuffer.IsWritable()) {
     mVideoHost.SharedMemMgr()->MgrDeallocShmem(GMPSharedMem::kGMPFrameData,
diff --git a/dom/media/gmp/GMPVideoEncoderParent.h b/dom/media/gmp/GMPVideoEncoderParent.h
index aaec972bf803..dcada4d865d2 100644
--- a/dom/media/gmp/GMPVideoEncoderParent.h
+++ b/dom/media/gmp/GMPVideoEncoderParent.h
@@ -66,9 +66,9 @@ private:
   // PGMPVideoEncoderParent
   virtual void ActorDestroy(ActorDestroyReason aWhy) MOZ_OVERRIDE;
   virtual bool RecvEncoded(const GMPVideoEncodedFrameData& aEncodedFrame,
-                           const nsTArray<uint8_t>& aCodecSpecificInfo) MOZ_OVERRIDE;
+                           InfallibleTArray<uint8_t>&& aCodecSpecificInfo) MOZ_OVERRIDE;
   virtual bool RecvError(const GMPErr& aError) MOZ_OVERRIDE;
-  virtual bool RecvParentShmemForPool(Shmem& aFrameBuffer) MOZ_OVERRIDE;
+  virtual bool RecvParentShmemForPool(Shmem&& aFrameBuffer) MOZ_OVERRIDE;
   virtual bool AnswerNeedShmem(const uint32_t& aEncodedBufferSize,
                                Shmem* aMem) MOZ_OVERRIDE;
   virtual bool Recv__delete__() MOZ_OVERRIDE;
diff --git a/dom/network/UDPSocketChild.cpp b/dom/network/UDPSocketChild.cpp
index 48bb0a1ee8dd..eb6a86f503d9 100644
--- a/dom/network/UDPSocketChild.cpp
+++ b/dom/network/UDPSocketChild.cpp
@@ -235,7 +235,7 @@ UDPSocketChild::RecvCallbackClosed()
 
 bool
 UDPSocketChild::RecvCallbackReceivedData(const UDPAddressInfo& aAddressInfo,
-                                         const InfallibleTArray<uint8_t>& aData)
+                                         InfallibleTArray<uint8_t>&& aData)
 {
   nsresult rv = mSocket->CallListenerReceivedData(aAddressInfo.addr(), aAddressInfo.port(),
                                                   aData.Elements(), aData.Length());
diff --git a/dom/network/UDPSocketChild.h b/dom/network/UDPSocketChild.h
index d154e304f7ec..669ac2515bc1 100644
--- a/dom/network/UDPSocketChild.h
+++ b/dom/network/UDPSocketChild.h
@@ -43,7 +43,7 @@ public:
   virtual bool RecvCallbackOpened(const UDPAddressInfo& aAddressInfo) MOZ_OVERRIDE;
   virtual bool RecvCallbackClosed() MOZ_OVERRIDE;
   virtual bool RecvCallbackReceivedData(const UDPAddressInfo& aAddressInfo,
-                                        const InfallibleTArray<uint8_t>& aData) MOZ_OVERRIDE;
+                                        InfallibleTArray<uint8_t>&& aData) MOZ_OVERRIDE;
   virtual bool RecvCallbackError(const nsCString& aMessage,
                                  const nsCString& aFilename,
                                  const uint32_t& aLineNumber) MOZ_OVERRIDE;
diff --git a/dom/network/UDPSocketParent.h b/dom/network/UDPSocketParent.h
index e09cb0c2c015..de7ae2a72603 100644
--- a/dom/network/UDPSocketParent.h
+++ b/dom/network/UDPSocketParent.h
@@ -34,7 +34,6 @@ public:
   virtual bool RecvOutgoingData(const UDPData& aData, const UDPSocketAddr& aAddr) MOZ_OVERRIDE;
 
   virtual bool RecvClose() MOZ_OVERRIDE;
-
   virtual bool RecvRequestDelete() MOZ_OVERRIDE;
   virtual bool RecvJoinMulticast(const nsCString& aMulticastAddress,
                                  const nsCString& aInterface) MOZ_OVERRIDE;
diff --git a/dom/notification/Notification.cpp b/dom/notification/Notification.cpp
index 2c25d33492c2..a6ae76a47536 100644
--- a/dom/notification/Notification.cpp
+++ b/dom/notification/Notification.cpp
@@ -332,9 +332,9 @@ NotificationPermissionRequest::GetTypes(nsIArray** aTypes)
 {
   nsTArray<nsString> emptyOptions;
   return nsContentPermissionUtils::CreatePermissionArray(NS_LITERAL_CSTRING("desktop-notification"),
-                                                         NS_LITERAL_CSTRING("unused"),
-                                                         emptyOptions,
-                                                         aTypes);
+							 NS_LITERAL_CSTRING("unused"),
+							 emptyOptions,
+							 aTypes);
 }
 
 NS_IMPL_ISUPPORTS(NotificationTask, nsIRunnable)
diff --git a/dom/plugins/ipc/PluginInstanceChild.cpp b/dom/plugins/ipc/PluginInstanceChild.cpp
index c0071f7af3b4..c87166a05b14 100644
--- a/dom/plugins/ipc/PluginInstanceChild.cpp
+++ b/dom/plugins/ipc/PluginInstanceChild.cpp
@@ -855,7 +855,7 @@ PluginInstanceChild::AnswerNPP_HandleEvent(const NPRemoteEvent& event,
 
 bool
 PluginInstanceChild::AnswerNPP_HandleEvent_Shmem(const NPRemoteEvent& event,
-                                                 Shmem& mem,
+                                                 Shmem&& mem,
                                                  int16_t* handled,
                                                  Shmem* rtnmem)
 {
@@ -919,7 +919,7 @@ PluginInstanceChild::AnswerNPP_HandleEvent_Shmem(const NPRemoteEvent& event,
 #else
 bool
 PluginInstanceChild::AnswerNPP_HandleEvent_Shmem(const NPRemoteEvent& event,
-                                                 Shmem& mem,
+                                                 Shmem&& mem,
                                                  int16_t* handled,
                                                  Shmem* rtnmem)
 {
diff --git a/dom/plugins/ipc/PluginInstanceChild.h b/dom/plugins/ipc/PluginInstanceChild.h
index 242017f3b955..b7789dd11475 100644
--- a/dom/plugins/ipc/PluginInstanceChild.h
+++ b/dom/plugins/ipc/PluginInstanceChild.h
@@ -89,7 +89,7 @@ protected:
     AnswerNPP_HandleEvent(const NPRemoteEvent& event, int16_t* handled) MOZ_OVERRIDE;
     virtual bool
     AnswerNPP_HandleEvent_Shmem(const NPRemoteEvent& event,
-                                Shmem& mem,
+                                Shmem&& mem,
                                 int16_t* handled,
                                 Shmem* rtnmem) MOZ_OVERRIDE;
     virtual bool
diff --git a/dom/plugins/ipc/PluginModuleChild.cpp b/dom/plugins/ipc/PluginModuleChild.cpp
index fe4e725c3c4a..e7960cff08cd 100644
--- a/dom/plugins/ipc/PluginModuleChild.cpp
+++ b/dom/plugins/ipc/PluginModuleChild.cpp
@@ -2131,8 +2131,8 @@ bool
 PluginModuleChild::RecvPPluginInstanceConstructor(PPluginInstanceChild* aActor,
                                                   const nsCString& aMimeType,
                                                   const uint16_t& aMode,
-                                                  const InfallibleTArray<nsCString>& aNames,
-                                                  const InfallibleTArray<nsCString>& aValues)
+                                                  InfallibleTArray<nsCString>&& aNames,
+                                                  InfallibleTArray<nsCString>&& aValues)
 {
     PLUGIN_LOG_DEBUG_METHOD;
     AssertPluginThread();
@@ -2478,8 +2478,8 @@ PluginModuleChild::ProcessNativeEvents() {
 bool
 PluginModuleChild::RecvStartProfiler(const uint32_t& aEntries,
                                      const double& aInterval,
-                                     const nsTArray<nsCString>& aFeatures,
-                                     const nsTArray<nsCString>& aThreadNameFilters)
+                                     nsTArray<nsCString>&& aFeatures,
+                                     nsTArray<nsCString>&& aThreadNameFilters)
 {
     nsTArray<const char*> featureArray;
     for (size_t i = 0; i < aFeatures.Length(); ++i) {
diff --git a/dom/plugins/ipc/PluginModuleChild.h b/dom/plugins/ipc/PluginModuleChild.h
index 02b946a9ca48..3b8a838baa5a 100644
--- a/dom/plugins/ipc/PluginModuleChild.h
+++ b/dom/plugins/ipc/PluginModuleChild.h
@@ -101,8 +101,8 @@ protected:
     RecvPPluginInstanceConstructor(PPluginInstanceChild* aActor,
                                    const nsCString& aMimeType,
                                    const uint16_t& aMode,
-                                   const InfallibleTArray<nsCString>& aNames,
-                                   const InfallibleTArray<nsCString>& aValues)
+                                   InfallibleTArray<nsCString>&& aNames,
+                                   InfallibleTArray<nsCString>&& aValues)
                                    MOZ_OVERRIDE;
     virtual bool
     AnswerNP_Shutdown(NPError *rv) MOZ_OVERRIDE;
@@ -149,8 +149,8 @@ protected:
 
     virtual bool RecvStartProfiler(const uint32_t& aEntries,
                                    const double& aInterval,
-                                   const nsTArray<nsCString>& aFeatures,
-                                   const nsTArray<nsCString>& aThreadNameFilters) MOZ_OVERRIDE;
+                                   nsTArray<nsCString>&& aFeatures,
+                                   nsTArray<nsCString>&& aThreadNameFilters) MOZ_OVERRIDE;
     virtual bool RecvStopProfiler() MOZ_OVERRIDE;
     virtual bool AnswerGetProfile(nsCString* aProfile) MOZ_OVERRIDE;
 
diff --git a/dom/plugins/ipc/PluginScriptableObjectChild.cpp b/dom/plugins/ipc/PluginScriptableObjectChild.cpp
index bd3f61eae2aa..9f6231345bd0 100644
--- a/dom/plugins/ipc/PluginScriptableObjectChild.cpp
+++ b/dom/plugins/ipc/PluginScriptableObjectChild.cpp
@@ -753,7 +753,7 @@ PluginScriptableObjectChild::AnswerHasMethod(const PluginIdentifier& aId,
 
 bool
 PluginScriptableObjectChild::AnswerInvoke(const PluginIdentifier& aId,
-                                          const InfallibleTArray<Variant>& aArgs,
+                                          InfallibleTArray<Variant>&& aArgs,
                                           Variant* aResult,
                                           bool* aSuccess)
 {
@@ -823,7 +823,7 @@ PluginScriptableObjectChild::AnswerInvoke(const PluginIdentifier& aId,
 }
 
 bool
-PluginScriptableObjectChild::AnswerInvokeDefault(const InfallibleTArray<Variant>& aArgs,
+PluginScriptableObjectChild::AnswerInvokeDefault(InfallibleTArray<Variant>&& aArgs,
                                                  Variant* aResult,
                                                  bool* aSuccess)
 {
@@ -1074,7 +1074,7 @@ PluginScriptableObjectChild::AnswerEnumerate(InfallibleTArray<PluginIdentifier>*
 }
 
 bool
-PluginScriptableObjectChild::AnswerConstruct(const InfallibleTArray<Variant>& aArgs,
+PluginScriptableObjectChild::AnswerConstruct(InfallibleTArray<Variant>&& aArgs,
                                              Variant* aResult,
                                              bool* aSuccess)
 {
diff --git a/dom/plugins/ipc/PluginScriptableObjectChild.h b/dom/plugins/ipc/PluginScriptableObjectChild.h
index 9079f96fa0e0..c86435c8a0f3 100644
--- a/dom/plugins/ipc/PluginScriptableObjectChild.h
+++ b/dom/plugins/ipc/PluginScriptableObjectChild.h
@@ -63,12 +63,12 @@ public:
 
   virtual bool
   AnswerInvoke(const PluginIdentifier& aId,
-               const InfallibleTArray<Variant>& aArgs,
+               InfallibleTArray<Variant>&& aArgs,
                Variant* aResult,
                bool* aSuccess) MOZ_OVERRIDE;
 
   virtual bool
-  AnswerInvokeDefault(const InfallibleTArray<Variant>& aArgs,
+  AnswerInvokeDefault(InfallibleTArray<Variant>&& aArgs,
                       Variant* aResult,
                       bool* aSuccess) MOZ_OVERRIDE;
 
@@ -97,7 +97,7 @@ public:
                   bool* aSuccess) MOZ_OVERRIDE;
 
   virtual bool
-  AnswerConstruct(const InfallibleTArray<Variant>& aArgs,
+  AnswerConstruct(InfallibleTArray<Variant>&& aArgs,
                   Variant* aResult,
                   bool* aSuccess) MOZ_OVERRIDE;
 
diff --git a/dom/plugins/ipc/PluginScriptableObjectParent.cpp b/dom/plugins/ipc/PluginScriptableObjectParent.cpp
index 60a5186e5689..16387b998203 100644
--- a/dom/plugins/ipc/PluginScriptableObjectParent.cpp
+++ b/dom/plugins/ipc/PluginScriptableObjectParent.cpp
@@ -783,7 +783,7 @@ PluginScriptableObjectParent::AnswerHasMethod(const PluginIdentifier& aId,
 
 bool
 PluginScriptableObjectParent::AnswerInvoke(const PluginIdentifier& aId,
-                                           const InfallibleTArray<Variant>& aArgs,
+                                           InfallibleTArray<Variant>&& aArgs,
                                            Variant* aResult,
                                            bool* aSuccess)
 {
@@ -873,7 +873,7 @@ PluginScriptableObjectParent::AnswerInvoke(const PluginIdentifier& aId,
 }
 
 bool
-PluginScriptableObjectParent::AnswerInvokeDefault(const InfallibleTArray<Variant>& aArgs,
+PluginScriptableObjectParent::AnswerInvokeDefault(InfallibleTArray<Variant>&& aArgs,
                                                   Variant* aResult,
                                                   bool* aSuccess)
 {
@@ -1193,7 +1193,7 @@ PluginScriptableObjectParent::AnswerEnumerate(InfallibleTArray<PluginIdentifier>
 }
 
 bool
-PluginScriptableObjectParent::AnswerConstruct(const InfallibleTArray<Variant>& aArgs,
+PluginScriptableObjectParent::AnswerConstruct(InfallibleTArray<Variant>&& aArgs,
                                               Variant* aResult,
                                               bool* aSuccess)
 {
diff --git a/dom/plugins/ipc/PluginScriptableObjectParent.h b/dom/plugins/ipc/PluginScriptableObjectParent.h
index dfb67e99858c..ed677ea8f9f2 100644
--- a/dom/plugins/ipc/PluginScriptableObjectParent.h
+++ b/dom/plugins/ipc/PluginScriptableObjectParent.h
@@ -54,12 +54,12 @@ public:
 
   virtual bool
   AnswerInvoke(const PluginIdentifier& aId,
-               const InfallibleTArray<Variant>& aArgs,
+               InfallibleTArray<Variant>&& aArgs,
                Variant* aResult,
                bool* aSuccess) MOZ_OVERRIDE;
 
   virtual bool
-  AnswerInvokeDefault(const InfallibleTArray<Variant>& aArgs,
+  AnswerInvokeDefault(InfallibleTArray<Variant>&& aArgs,
                       Variant* aResult,
                       bool* aSuccess) MOZ_OVERRIDE;
 
@@ -86,7 +86,7 @@ public:
                   bool* aSuccess) MOZ_OVERRIDE;
 
   virtual bool
-  AnswerConstruct(const InfallibleTArray<Variant>& aArgs,
+  AnswerConstruct(InfallibleTArray<Variant>&& aArgs,
                   Variant* aResult,
                   bool* aSuccess) MOZ_OVERRIDE;
 
diff --git a/dom/plugins/ipc/PluginWidgetParent.cpp b/dom/plugins/ipc/PluginWidgetParent.cpp
index b784fb67035e..7b580452b131 100644
--- a/dom/plugins/ipc/PluginWidgetParent.cpp
+++ b/dom/plugins/ipc/PluginWidgetParent.cpp
@@ -217,7 +217,7 @@ PluginWidgetParent::RecvMove(const double& aX, const double& aY)
 }
 
 bool
-PluginWidgetParent::RecvSetWindowClipRegion(const nsTArray<nsIntRect>& Regions,
+PluginWidgetParent::RecvSetWindowClipRegion(InfallibleTArray<nsIntRect>&& Regions,
                                             const bool& aIntersectWithExisting)
 {
   ENSURE_CHANNEL;
diff --git a/dom/plugins/ipc/PluginWidgetParent.h b/dom/plugins/ipc/PluginWidgetParent.h
index 676d02e7b941..176f934938f9 100644
--- a/dom/plugins/ipc/PluginWidgetParent.h
+++ b/dom/plugins/ipc/PluginWidgetParent.h
@@ -36,8 +36,8 @@ public:
   virtual bool RecvGetNativePluginPort(uintptr_t* value) MOZ_OVERRIDE;
   virtual bool RecvResize(const nsIntRect& aRect) MOZ_OVERRIDE;
   virtual bool RecvMove(const double& aX, const double& aY) MOZ_OVERRIDE;
-  virtual bool RecvSetWindowClipRegion(const nsTArray<nsIntRect>& Regions,
-                                        const bool& aIntersectWithExisting) MOZ_OVERRIDE;
+  virtual bool RecvSetWindowClipRegion(InfallibleTArray<nsIntRect>&& Regions,
+				       const bool& aIntersectWithExisting) MOZ_OVERRIDE;
 
 private:
   // The tab our connection is associated with.
diff --git a/dom/storage/DOMStorageIPC.cpp b/dom/storage/DOMStorageIPC.cpp
index eb8726705eb5..10ae15a0fe63 100644
--- a/dom/storage/DOMStorageIPC.cpp
+++ b/dom/storage/DOMStorageIPC.cpp
@@ -214,7 +214,7 @@ DOMStorageDBChild::RecvObserve(const nsCString& aTopic,
 }
 
 bool
-DOMStorageDBChild::RecvScopesHavingData(const InfallibleTArray<nsCString>& aScopes)
+DOMStorageDBChild::RecvScopesHavingData(nsTArray<nsCString>&& aScopes)
 {
   for (uint32_t i = 0; i < aScopes.Length(); ++i) {
     ScopesHavingData().PutEntry(aScopes[i]);
diff --git a/dom/storage/DOMStorageIPC.h b/dom/storage/DOMStorageIPC.h
index a0bcdfdd0356..934e0395172e 100644
--- a/dom/storage/DOMStorageIPC.h
+++ b/dom/storage/DOMStorageIPC.h
@@ -74,7 +74,7 @@ private:
                     const nsString& aValue);
   bool RecvLoadDone(const nsCString& aScope,
                     const nsresult& aRv);
-  bool RecvScopesHavingData(const InfallibleTArray<nsCString>& aScopes);
+  bool RecvScopesHavingData(nsTArray<nsCString>&& aScopes);
   bool RecvLoadUsage(const nsCString& aScope,
                      const int64_t& aUsage);
   bool RecvError(const nsresult& aRv);
diff --git a/gfx/layers/ipc/ImageBridgeChild.cpp b/gfx/layers/ipc/ImageBridgeChild.cpp
index 596e978dc509..e41e7dab5f2a 100644
--- a/gfx/layers/ipc/ImageBridgeChild.cpp
+++ b/gfx/layers/ipc/ImageBridgeChild.cpp
@@ -845,7 +845,7 @@ ImageBridgeChild::DeallocPTextureChild(PTextureChild* actor)
 }
 
 bool
-ImageBridgeChild::RecvParentAsyncMessages(const InfallibleTArray<AsyncParentMessageData>& aMessages)
+ImageBridgeChild::RecvParentAsyncMessages(InfallibleTArray<AsyncParentMessageData>&& aMessages)
 {
   for (AsyncParentMessageArray::index_type i = 0; i < aMessages.Length(); ++i) {
     const AsyncParentMessageData& message = aMessages[i];
diff --git a/gfx/layers/ipc/ImageBridgeChild.h b/gfx/layers/ipc/ImageBridgeChild.h
index 6899cd064399..15f9f870f186 100644
--- a/gfx/layers/ipc/ImageBridgeChild.h
+++ b/gfx/layers/ipc/ImageBridgeChild.h
@@ -189,7 +189,7 @@ public:
   DeallocPTextureChild(PTextureChild* actor) MOZ_OVERRIDE;
 
   virtual bool
-  RecvParentAsyncMessages(const InfallibleTArray<AsyncParentMessageData>& aMessages) MOZ_OVERRIDE;
+  RecvParentAsyncMessages(InfallibleTArray<AsyncParentMessageData>&& aMessages) MOZ_OVERRIDE;
 
   TemporaryRef<ImageClient> CreateImageClient(CompositableType aType);
   TemporaryRef<ImageClient> CreateImageClientNow(CompositableType aType);
diff --git a/gfx/layers/ipc/ImageBridgeParent.cpp b/gfx/layers/ipc/ImageBridgeParent.cpp
index 6f77bcc0acd5..d956c2bafc7f 100644
--- a/gfx/layers/ipc/ImageBridgeParent.cpp
+++ b/gfx/layers/ipc/ImageBridgeParent.cpp
@@ -111,7 +111,7 @@ private:
 };
 
 bool
-ImageBridgeParent::RecvUpdate(const EditArray& aEdits, EditReplyArray* aReply)
+ImageBridgeParent::RecvUpdate(EditArray&& aEdits, EditReplyArray* aReply)
 {
   AutoImageBridgeParentAsyncMessageSender autoAsyncMessageSender(this);
 
@@ -144,10 +144,10 @@ ImageBridgeParent::RecvUpdate(const EditArray& aEdits, EditReplyArray* aReply)
 }
 
 bool
-ImageBridgeParent::RecvUpdateNoSwap(const EditArray& aEdits)
+ImageBridgeParent::RecvUpdateNoSwap(EditArray&& aEdits)
 {
   InfallibleTArray<EditReply> noReplies;
-  bool success = RecvUpdate(aEdits, &noReplies);
+  bool success = RecvUpdate(Move(aEdits), &noReplies);
   NS_ABORT_IF_FALSE(noReplies.Length() == 0, "RecvUpdateNoSwap requires a sync Update to carry Edits");
   return success;
 }
@@ -268,7 +268,7 @@ ImageBridgeParent::SendAsyncMessage(const InfallibleTArray<AsyncParentMessageDat
 }
 
 bool
-ImageBridgeParent::RecvChildAsyncMessages(const InfallibleTArray<AsyncChildMessageData>& aMessages)
+ImageBridgeParent::RecvChildAsyncMessages(InfallibleTArray<AsyncChildMessageData>&& aMessages)
 {
   for (AsyncChildMessageArray::index_type i = 0; i < aMessages.Length(); ++i) {
     const AsyncChildMessageData& message = aMessages[i];
diff --git a/gfx/layers/ipc/ImageBridgeParent.h b/gfx/layers/ipc/ImageBridgeParent.h
index 2379c91193eb..83eb71d6cfce 100644
--- a/gfx/layers/ipc/ImageBridgeParent.h
+++ b/gfx/layers/ipc/ImageBridgeParent.h
@@ -71,8 +71,8 @@ public:
   }
 
   // PImageBridge
-  virtual bool RecvUpdate(const EditArray& aEdits, EditReplyArray* aReply) MOZ_OVERRIDE;
-  virtual bool RecvUpdateNoSwap(const EditArray& aEdits) MOZ_OVERRIDE;
+  virtual bool RecvUpdate(EditArray&& aEdits, EditReplyArray* aReply) MOZ_OVERRIDE;
+  virtual bool RecvUpdateNoSwap(EditArray&& aEdits) MOZ_OVERRIDE;
 
   virtual bool IsAsync() const MOZ_OVERRIDE { return true; }
 
@@ -85,7 +85,7 @@ public:
   virtual bool DeallocPTextureParent(PTextureParent* actor) MOZ_OVERRIDE;
 
   virtual bool
-  RecvChildAsyncMessages(const InfallibleTArray<AsyncChildMessageData>& aMessages) MOZ_OVERRIDE;
+  RecvChildAsyncMessages(InfallibleTArray<AsyncChildMessageData>&& aMessages) MOZ_OVERRIDE;
 
   // Shutdown step 1
   virtual bool RecvWillStop() MOZ_OVERRIDE;
diff --git a/gfx/layers/ipc/LayerTransactionChild.cpp b/gfx/layers/ipc/LayerTransactionChild.cpp
index ce10a68a63c0..392e4d5330cb 100644
--- a/gfx/layers/ipc/LayerTransactionChild.cpp
+++ b/gfx/layers/ipc/LayerTransactionChild.cpp
@@ -75,7 +75,7 @@ LayerTransactionChild::DeallocPCompositableChild(PCompositableChild* actor)
 }
 
 bool
-LayerTransactionChild::RecvParentAsyncMessages(const InfallibleTArray<AsyncParentMessageData>& aMessages)
+LayerTransactionChild::RecvParentAsyncMessages(InfallibleTArray<AsyncParentMessageData>&& aMessages)
 {
   for (AsyncParentMessageArray::index_type i = 0; i < aMessages.Length(); ++i) {
     const AsyncParentMessageData& message = aMessages[i];
diff --git a/gfx/layers/ipc/LayerTransactionChild.h b/gfx/layers/ipc/LayerTransactionChild.h
index 05eb69866b9f..2a118053eeb4 100644
--- a/gfx/layers/ipc/LayerTransactionChild.h
+++ b/gfx/layers/ipc/LayerTransactionChild.h
@@ -70,7 +70,7 @@ protected:
   virtual bool DeallocPTextureChild(PTextureChild* actor) MOZ_OVERRIDE;
 
   virtual bool
-  RecvParentAsyncMessages(const InfallibleTArray<AsyncParentMessageData>& aMessages) MOZ_OVERRIDE;
+  RecvParentAsyncMessages(InfallibleTArray<AsyncParentMessageData>&& aMessages) MOZ_OVERRIDE;
 
   virtual void ActorDestroy(ActorDestroyReason why) MOZ_OVERRIDE;
 
diff --git a/gfx/layers/ipc/LayerTransactionParent.cpp b/gfx/layers/ipc/LayerTransactionParent.cpp
index 8b3fe2577370..55a066fae55c 100644
--- a/gfx/layers/ipc/LayerTransactionParent.cpp
+++ b/gfx/layers/ipc/LayerTransactionParent.cpp
@@ -190,7 +190,7 @@ LayerTransactionParent::GetCompositorBackendType() const
 }
 
 bool
-LayerTransactionParent::RecvUpdateNoSwap(const InfallibleTArray<Edit>& cset,
+LayerTransactionParent::RecvUpdateNoSwap(InfallibleTArray<Edit>&& cset,
                                          const uint64_t& aTransactionId,
                                          const TargetConfig& targetConfig,
                                          const bool& isFirstPaint,
@@ -199,7 +199,7 @@ LayerTransactionParent::RecvUpdateNoSwap(const InfallibleTArray<Edit>& cset,
                                          const bool& isRepeatTransaction,
                                          const mozilla::TimeStamp& aTransactionStart)
 {
-  return RecvUpdate(cset, aTransactionId, targetConfig, isFirstPaint,
+  return RecvUpdate(Move(cset), aTransactionId, targetConfig, isFirstPaint,
       scheduleComposite, paintSequenceNumber, isRepeatTransaction,
       aTransactionStart, nullptr);
 }
@@ -220,7 +220,7 @@ private:
 };
 
 bool
-LayerTransactionParent::RecvUpdate(const InfallibleTArray<Edit>& cset,
+LayerTransactionParent::RecvUpdate(InfallibleTArray<Edit>&& cset,
                                    const uint64_t& aTransactionId,
                                    const TargetConfig& targetConfig,
                                    const bool& isFirstPaint,
@@ -878,7 +878,7 @@ LayerTransactionParent::DeallocPTextureParent(PTextureParent* actor)
 }
 
 bool
-LayerTransactionParent::RecvChildAsyncMessages(const InfallibleTArray<AsyncChildMessageData>& aMessages)
+LayerTransactionParent::RecvChildAsyncMessages(InfallibleTArray<AsyncChildMessageData>&& aMessages)
 {
   AutoLayerTransactionParentAsyncMessageSender autoAsyncMessageSender(this);
 
diff --git a/gfx/layers/ipc/LayerTransactionParent.h b/gfx/layers/ipc/LayerTransactionParent.h
index a0739091546a..17536e3057d4 100644
--- a/gfx/layers/ipc/LayerTransactionParent.h
+++ b/gfx/layers/ipc/LayerTransactionParent.h
@@ -103,7 +103,7 @@ public:
 protected:
   virtual bool RecvShutdown() MOZ_OVERRIDE;
 
-  virtual bool RecvUpdate(const EditArray& cset,
+  virtual bool RecvUpdate(EditArray&& cset,
                           const uint64_t& aTransactionId,
                           const TargetConfig& targetConfig,
                           const bool& isFirstPaint,
@@ -113,7 +113,7 @@ protected:
                           const mozilla::TimeStamp& aTransactionStart,
                           EditReplyArray* reply) MOZ_OVERRIDE;
 
-  virtual bool RecvUpdateNoSwap(const EditArray& cset,
+  virtual bool RecvUpdateNoSwap(EditArray&& cset,
                                 const uint64_t& aTransactionId,
                                 const TargetConfig& targetConfig,
                                 const bool& isFirstPaint,
@@ -147,7 +147,7 @@ protected:
   virtual bool DeallocPTextureParent(PTextureParent* actor) MOZ_OVERRIDE;
 
   virtual bool
-  RecvChildAsyncMessages(const InfallibleTArray<AsyncChildMessageData>& aMessages) MOZ_OVERRIDE;
+  RecvChildAsyncMessages(InfallibleTArray<AsyncChildMessageData>&& aMessages) MOZ_OVERRIDE;
 
   virtual void ActorDestroy(ActorDestroyReason why) MOZ_OVERRIDE;
 
diff --git a/hal/sandbox/SandboxHal.cpp b/hal/sandbox/SandboxHal.cpp
index d19b0375d3b0..2f79c833151a 100644
--- a/hal/sandbox/SandboxHal.cpp
+++ b/hal/sandbox/SandboxHal.cpp
@@ -502,8 +502,8 @@ public:
   }
 
   virtual bool
-  RecvVibrate(const InfallibleTArray<unsigned int>& pattern,
-              const InfallibleTArray<uint64_t> &id,
+  RecvVibrate(InfallibleTArray<unsigned int>&& pattern,
+              InfallibleTArray<uint64_t>&& id,
               PBrowserParent *browserParent) MOZ_OVERRIDE
   {
     // We give all content vibration permission.
@@ -516,7 +516,7 @@ public:
   }
 
   virtual bool
-  RecvCancelVibrate(const InfallibleTArray<uint64_t> &id,
+  RecvCancelVibrate(InfallibleTArray<uint64_t> &&id,
                     PBrowserParent *browserParent) MOZ_OVERRIDE
   {
     TabParent *tabParent = static_cast<TabParent*>(browserParent);
diff --git a/ipc/glue/ProcessUtils_linux.cpp b/ipc/glue/ProcessUtils_linux.cpp
index 09d020d86984..659119570fdf 100644
--- a/ipc/glue/ProcessUtils_linux.cpp
+++ b/ipc/glue/ProcessUtils_linux.cpp
@@ -430,9 +430,9 @@ public:
 
   virtual void ActorDestroy(ActorDestroyReason aWhy) MOZ_OVERRIDE;
 
-  virtual bool RecvLoad(const InfallibleTArray<nsCString>& aArgv,
-                        const InfallibleTArray<nsCString>& aEnv,
-                        const InfallibleTArray<FDRemap>& aFdsremap,
+  virtual bool RecvLoad(InfallibleTArray<nsCString>&& aArgv,
+                        InfallibleTArray<nsCString>&& aEnv,
+                        InfallibleTArray<FDRemap>&& aFdsremap,
                         const uint32_t& aPrivs,
                         const int32_t& aCookie);
 
@@ -453,9 +453,9 @@ _ProcLoaderChildDestroy(ProcLoaderChild *aChild)
 }
 
 bool
-ProcLoaderChild::RecvLoad(const InfallibleTArray<nsCString>& aArgv,
-                          const InfallibleTArray<nsCString>& aEnv,
-                          const InfallibleTArray<FDRemap>& aFdsRemap,
+ProcLoaderChild::RecvLoad(InfallibleTArray<nsCString>&& aArgv,
+                          InfallibleTArray<nsCString>&& aEnv,
+                          InfallibleTArray<FDRemap>&& aFdsRemap,
                           const uint32_t& aPrivs,
                           const int32_t& aCookie) {
   if (!sProcLoaderServing) {
diff --git a/ipc/ipdl/ipdl/cxx/ast.py b/ipc/ipdl/ipdl/cxx/ast.py
index 7cb8839d8efa..56061c27cfd5 100644
--- a/ipc/ipdl/ipdl/cxx/ast.py
+++ b/ipc/ipdl/ipdl/cxx/ast.py
@@ -663,6 +663,10 @@ class ExprCall(Node):
         self.func = func
         self.args = args
 
+class ExprMove(ExprCall):
+    def __init__(self, arg):
+        ExprCall.__init__(self, ExprVar("mozilla::Move"), args=[arg])
+
 class ExprNew(Node):
     # XXX taking some poetic license ...
     def __init__(self, ctype, args=[ ], newargs=None):
diff --git a/ipc/ipdl/ipdl/cxx/cgen.py b/ipc/ipdl/ipdl/cxx/cgen.py
index 0febdb6ec4ed..5d739e853518 100644
--- a/ipc/ipdl/ipdl/cxx/cgen.py
+++ b/ipc/ipdl/ipdl/cxx/cgen.py
@@ -47,7 +47,7 @@ class CxxCodeGen(CodePrinter, Visitor):
         elif t.ptrptr:       ts += '**'
         elif t.ptrconstptr:  ts += '* const*'
 
-        if t.ref:  ts += '&'
+        ts += '&' * t.ref
 
         self.write(ts)
 
@@ -357,6 +357,9 @@ class CxxCodeGen(CodePrinter, Visitor):
         self.writeExprList(ec.args)
         self.write(')')
 
+    def visitExprMove(self, em):
+        self.visitExprCall(em)
+
     def visitExprNew(self, en):
         self.write('new ')
         if en.newargs is not None:
diff --git a/ipc/ipdl/ipdl/lower.py b/ipc/ipdl/ipdl/lower.py
index 031b15e14ed1..3a6a9d67737c 100644
--- a/ipc/ipdl/ipdl/lower.py
+++ b/ipc/ipdl/ipdl/lower.py
@@ -548,6 +548,13 @@ def _cxxConstRefType(ipdltype, side):
     t.ref = 1
     return t
 
+def _cxxMoveRefType(ipdltype, side):
+    t = _cxxBareType(ipdltype, side)
+    if ipdltype.isIPDL() and (ipdltype.isArray() or ipdltype.isShmem()):
+        t.ref = 2
+        return t
+    return _cxxConstRefType(ipdltype, side)
+
 def _cxxPtrToType(ipdltype, side):
     t = _cxxBareType(ipdltype, side)
     if ipdltype.isIPDL() and ipdltype.isActor():
@@ -602,6 +609,10 @@ necessarily a C++ reference."""
         """Return this decl's C++ type as a const, 'reference' type."""
         return _cxxConstRefType(self.ipdltype, side)
 
+    def rvalueRefType(self, side):
+        """Return this decl's C++ type as an r-value 'reference' type."""
+        return _cxxMoveRefType(self.ipdltype, side)
+
     def ptrToType(self, side):
         return _cxxPtrToType(self.ipdltype, side)
 
@@ -614,6 +625,12 @@ necessarily a C++ reference."""
             return self.bareType(side)
         return self.constRefType(side)
 
+    def moveType(self, side):
+        """Return this decl's C++ Type with move semantics."""
+        if self.ipdltype.isIPDL() and self.ipdltype.isActor():
+            return self.bareType(side)
+        return self.rvalueRefType(side);
+
     def outType(self, side):
         """Return this decl's C++ Type with outparam semantics."""
         t = self.bareType(side)
@@ -939,6 +956,8 @@ class MessageDecl(ipdl.ast.MessageDecl):
         def makeDecl(d, sems):
             if sems is 'in':
                 return Decl(d.inType(side), d.name)
+            elif sems is 'move':
+                return Decl(d.moveType(side), d.name)
             elif sems is 'out':
                 return Decl(d.outType(side), d.name)
             else: assert 0
@@ -962,7 +981,7 @@ class MessageDecl(ipdl.ast.MessageDecl):
         cxxargs = [ ]
 
         if params:
-            cxxargs.extend([ p.var() for p in self.params ])
+            cxxargs.extend([ ExprMove(p.var()) for p in self.params ])
 
         for ret in self.returns:
             if retsems is 'in':
@@ -2809,7 +2828,7 @@ class _GenerateProtocolActorCode(ipdl.ast.Visitor):
                 implicit = (not isdtor)
                 recvDecl = MethodDecl(
                     md.recvMethod().name,
-                    params=md.makeCxxParams(paramsems='in', returnsems='out',
+                    params=md.makeCxxParams(paramsems='move', returnsems='out',
                                             side=self.side, implicit=implicit),
                     ret=Type.BOOL, virtual=1)
 
diff --git a/js/ipc/JavaScriptBase.h b/js/ipc/JavaScriptBase.h
index 2ae230bb0f7a..7ecc591e2e91 100644
--- a/js/ipc/JavaScriptBase.h
+++ b/js/ipc/JavaScriptBase.h
@@ -84,10 +84,10 @@ class JavaScriptBase : public WrapperOwner, public WrapperAnswer, public Base
                             bool *result) {
         return Answer::RecvIsExtensible(ObjectId::deserialize(objId), rs, result);
     }
-    bool RecvCallOrConstruct(const uint64_t &objId, const nsTArray<JSParam> &argv,
-                               const bool &construct, ReturnStatus *rs, JSVariant *result,
-                               nsTArray<JSParam> *outparams) {
-        return Answer::RecvCallOrConstruct(ObjectId::deserialize(objId), argv, construct, rs, result, outparams);
+    bool RecvCallOrConstruct(const uint64_t &objId, InfallibleTArray<JSParam> &&argv,
+                             const bool &construct, ReturnStatus *rs, JSVariant *result,
+                             nsTArray<JSParam> *outparams) {
+        return Answer::RecvCallOrConstruct(ObjectId::deserialize(objId), Move(argv), construct, rs, result, outparams);
     }
     bool RecvHasInstance(const uint64_t &objId, const JSVariant &v, ReturnStatus *rs, bool *bp) {
         return Answer::RecvHasInstance(ObjectId::deserialize(objId), v, rs, bp);
diff --git a/js/ipc/WrapperAnswer.cpp b/js/ipc/WrapperAnswer.cpp
index c9ff9059a35b..21a4d3399bd6 100644
--- a/js/ipc/WrapperAnswer.cpp
+++ b/js/ipc/WrapperAnswer.cpp
@@ -387,7 +387,7 @@ WrapperAnswer::RecvIsExtensible(const ObjectId &objId, ReturnStatus *rs, bool *r
 
 bool
 WrapperAnswer::RecvCallOrConstruct(const ObjectId &objId,
-                                   const nsTArray<JSParam> &argv,
+                                   InfallibleTArray<JSParam> &&argv,
                                    const bool &construct,
                                    ReturnStatus *rs,
                                    JSVariant *result,
diff --git a/js/ipc/WrapperAnswer.h b/js/ipc/WrapperAnswer.h
index 772416abb2b8..b35de2dbf6cd 100644
--- a/js/ipc/WrapperAnswer.h
+++ b/js/ipc/WrapperAnswer.h
@@ -46,7 +46,7 @@ class WrapperAnswer : public virtual JavaScriptShared
 
     bool RecvIsExtensible(const ObjectId &objId, ReturnStatus *rs,
                           bool *result);
-    bool RecvCallOrConstruct(const ObjectId &objId, const nsTArray<JSParam> &argv,
+    bool RecvCallOrConstruct(const ObjectId &objId, InfallibleTArray<JSParam> &&argv,
                              const bool &construct, ReturnStatus *rs, JSVariant *result,
                              nsTArray<JSParam> *outparams);
     bool RecvHasInstance(const ObjectId &objId, const JSVariant &v, ReturnStatus *rs, bool *bp);
diff --git a/netwerk/protocol/rtsp/controller/RtspControllerChild.cpp b/netwerk/protocol/rtsp/controller/RtspControllerChild.cpp
index 38660e9c9724..9655e46c2591 100644
--- a/netwerk/protocol/rtsp/controller/RtspControllerChild.cpp
+++ b/netwerk/protocol/rtsp/controller/RtspControllerChild.cpp
@@ -136,7 +136,7 @@ RtspControllerChild::RecvOnMediaDataAvailable(
                        const nsCString& data,
                        const uint32_t& length,
                        const uint32_t& offset,
-                       const InfallibleTArray<RtspMetadataParam>& metaArray)
+                       InfallibleTArray<RtspMetadataParam>&& metaArray)
 {
   nsRefPtr<RtspMetaData> meta = new RtspMetaData();
   nsresult rv = meta->DeserializeRtspMetaData(metaArray);
@@ -164,7 +164,7 @@ RtspControllerChild::GetMetaDataLength()
 bool
 RtspControllerChild::RecvOnConnected(
                        const uint8_t& index,
-                       const InfallibleTArray<RtspMetadataParam>& metaArray)
+                       InfallibleTArray<RtspMetadataParam>&& metaArray)
 {
   // Deserialize meta data.
   nsRefPtr<RtspMetaData> meta = new RtspMetaData();
diff --git a/netwerk/protocol/rtsp/controller/RtspControllerChild.h b/netwerk/protocol/rtsp/controller/RtspControllerChild.h
index febae6ae21af..fffc8d3f8eff 100644
--- a/netwerk/protocol/rtsp/controller/RtspControllerChild.h
+++ b/netwerk/protocol/rtsp/controller/RtspControllerChild.h
@@ -33,14 +33,14 @@ class RtspControllerChild : public nsIStreamingProtocolController
   ~RtspControllerChild();
 
   bool RecvOnConnected(const uint8_t& index,
-                       const InfallibleTArray<RtspMetadataParam>& meta);
+                       InfallibleTArray<RtspMetadataParam>&& meta);
 
   bool RecvOnMediaDataAvailable(
          const uint8_t& index,
          const nsCString& data,
          const uint32_t& length,
          const uint32_t& offset,
-         const InfallibleTArray<RtspMetadataParam>& meta);
+         InfallibleTArray<RtspMetadataParam>&& meta);
 
   bool RecvOnDisconnected(const uint8_t& index,
                           const nsresult& reason);