Bug 1901851 - Part 2: Remove unnecessary BackgroundParent arguments from response serializations, r=dom-worker-reviewers,asuth

These arguments were already unused, and are no longer necessary since previous
changes to input stream serialization.

Differential Revision: https://phabricator.services.mozilla.com/D213332

dom/fetch/FetchParent.cpp

@@ -271,7 +271,7 @@ void FetchParent::OnResponseAvailableInternal(
   }
 
   Unused << SendOnResponseAvailableInternal(
-      aResponse->ToParentToChildInternalResponse(WrapNotNull(Manager())));
+      aResponse->ToParentToChildInternalResponse());
 }
 
 void FetchParent::OnResponseEnd(const ResponseEndArgs& aArgs) {

dom/fetch/FetchStreamUtils.cpp

@@ -56,7 +56,6 @@ ParentToParentStream ToParentToParentStream(
 
 ParentToChildStream ToParentToChildStream(
     const NotNull<nsCOMPtr<nsIInputStream>>& aStream, int64_t aStreamSize,
-    NotNull<mozilla::ipc::PBackgroundParent*> aBackgroundParent,
     bool aSerializeAsLazy) {
   MOZ_ASSERT(XRE_IsParentProcess());
 
@@ -73,11 +72,9 @@ ParentToChildStream ToParentToChildStream(
   return result;
 }
 
-ParentToChildStream ToParentToChildStream(
-    const ParentToParentStream& aStream, int64_t aStreamSize,
-    NotNull<mozilla::ipc::PBackgroundParent*> aBackgroundParent) {
-  return ToParentToChildStream(ToInputStream(aStream), aStreamSize,
-                               aBackgroundParent);
+ParentToChildStream ToParentToChildStream(const ParentToParentStream& aStream,
+                                          int64_t aStreamSize) {
+  return ToParentToChildStream(ToInputStream(aStream), aStreamSize);
 }
 
 }  // namespace mozilla::dom

dom/fetch/FetchStreamUtils.h

@@ -40,14 +40,12 @@ ParentToParentStream ToParentToParentStream(
 // process. Can only be called in the parent process.
 ParentToChildStream ToParentToChildStream(
     const NotNull<nsCOMPtr<nsIInputStream>>& aStream, int64_t aStreamSize,
-    NotNull<mozilla::ipc::PBackgroundParent*> aBackgroundParent,
     bool aSerializeAsLazy = true);
 
 // Convert a ParentToParentStream to a ParentToChildStream. Can only be called
 // in the parent process.
-ParentToChildStream ToParentToChildStream(
-    const ParentToParentStream& aStream, int64_t aStreamSize,
-    NotNull<mozilla::ipc::PBackgroundParent*> aBackgroundParent);
+ParentToChildStream ToParentToChildStream(const ParentToParentStream& aStream,
+                                          int64_t aStreamSize);
 
 }  // namespace dom
 

dom/fetch/InternalResponse.cpp

@@ -197,8 +197,8 @@ InternalResponse::ToParentToParentInternalResponse() {
   return result;
 }
 
-ParentToChildInternalResponse InternalResponse::ToParentToChildInternalResponse(
-    NotNull<mozilla::ipc::PBackgroundParent*> aBackgroundParent) {
+ParentToChildInternalResponse
+InternalResponse::ToParentToChildInternalResponse() {
   ParentToChildInternalResponse result(GetMetadata(), Nothing(),
                                        UNKNOWN_BODY_SIZE, Nothing());
 
@@ -207,8 +207,8 @@ ParentToChildInternalResponse InternalResponse::ToParentToChildInternalResponse(
   GetUnfilteredBody(getter_AddRefs(body), &bodySize);
 
   if (body) {
-    ParentToChildStream bodyStream = ToParentToChildStream(
-        WrapNotNull(body), bodySize, aBackgroundParent, mSerializeAsLazy);
+    ParentToChildStream bodyStream =
+        ToParentToChildStream(WrapNotNull(body), bodySize, mSerializeAsLazy);
     // The body stream can fail to serialize as an IPCStream. In the case, the
     // IPCStream's type would be T__None. Don't set up IPCInternalResponse's
     // body with the failed IPCStream.
@@ -221,9 +221,8 @@ ParentToChildInternalResponse InternalResponse::ToParentToChildInternalResponse(
 
   nsCOMPtr<nsIInputStream> alternativeBody = TakeAlternativeBody();
   if (alternativeBody) {
-    ParentToChildStream alterBodyStream =
-        ToParentToChildStream(WrapNotNull(alternativeBody), UNKNOWN_BODY_SIZE,
-                              aBackgroundParent, mSerializeAsLazy);
+    ParentToChildStream alterBodyStream = ToParentToChildStream(
+        WrapNotNull(alternativeBody), UNKNOWN_BODY_SIZE, mSerializeAsLazy);
     // The body stream can fail to serialize as an IPCStream. In the case, the
     // IPCStream's type would be T__None. Don't set up IPCInternalResponse's
     // body with the failed IPCStream.
@@ -433,19 +432,18 @@ SafeRefPtr<InternalResponse> InternalResponse::CreateIncompleteCopy() {
 }
 
 ParentToChildInternalResponse ToParentToChild(
-    const ParentToParentInternalResponse& aResponse,
-    NotNull<mozilla::ipc::PBackgroundParent*> aBackgroundParent) {
+    const ParentToParentInternalResponse& aResponse) {
   ParentToChildInternalResponse result(aResponse.metadata(), Nothing(),
                                        aResponse.bodySize(), Nothing());
 
   if (aResponse.body().isSome()) {
-    result.body() = Some(ToParentToChildStream(
-        aResponse.body().ref(), aResponse.bodySize(), aBackgroundParent));
+    result.body() = Some(
+        ToParentToChildStream(aResponse.body().ref(), aResponse.bodySize()));
   }
   if (aResponse.alternativeBody().isSome()) {
-    result.alternativeBody() = Some(ToParentToChildStream(
-        aResponse.alternativeBody().ref(), InternalResponse::UNKNOWN_BODY_SIZE,
-        aBackgroundParent));
+    result.alternativeBody() =
+        Some(ToParentToChildStream(aResponse.alternativeBody().ref(),
+                                   InternalResponse::UNKNOWN_BODY_SIZE));
   }
 
   return result;

dom/fetch/InternalResponse.h

@@ -57,8 +57,7 @@ class InternalResponse final : public AtomicSafeRefCounted<InternalResponse> {
 
   ParentToParentInternalResponse ToParentToParentInternalResponse();
 
-  ParentToChildInternalResponse ToParentToChildInternalResponse(
-      NotNull<mozilla::ipc::PBackgroundParent*> aBackgroundParent);
+  ParentToChildInternalResponse ToParentToChildInternalResponse();
 
   enum CloneType {
     eCloneInputStream,
@@ -410,8 +409,7 @@ class InternalResponse final : public AtomicSafeRefCounted<InternalResponse> {
 };
 
 ParentToChildInternalResponse ToParentToChild(
-    const ParentToParentInternalResponse& aResponse,
-    NotNull<mozilla::ipc::PBackgroundParent*> aBackgroundParent);
+    const ParentToParentInternalResponse& aResponse);
 
 }  // namespace dom
 }  // namespace mozilla

dom/serviceworkers/FetchEventOpParent.cpp

@@ -51,11 +51,8 @@ mozilla::ipc::IPCResult FetchEventOpParent::RecvPreloadResponse(
         aPending.mPreloadResponse = Some(std::move(aResponse));
       },
       [&aResponse](Started& aStarted) {
-        auto backgroundParent = WrapNotNull(
-            WrapNotNull(aStarted.mFetchEventOpProxyParent->Manager())
-                ->Manager());
         Unused << aStarted.mFetchEventOpProxyParent->SendPreloadResponse(
-            ToParentToChild(aResponse, backgroundParent));
+            ToParentToChild(aResponse));
       },
       [](const Finished&) {});
 

dom/serviceworkers/FetchEventOpProxyParent.cpp

@@ -121,8 +121,8 @@ ParentToParentFetchEventRespondWithResult ToParentToParent(
                                                       Nothing(), Nothing());
   if (aArgs.preloadResponse().isSome()) {
     // Convert the preload response to ParentToChildInternalResponse.
-    copyArgs.preloadResponse() = Some(ToParentToChild(
-        aArgs.preloadResponse().ref(), WrapNotNull(aManager->Manager())));
+    copyArgs.preloadResponse() =
+        Some(ToParentToChild(aArgs.preloadResponse().ref()));
   }
 
   if (aArgs.preloadResponseTiming().isSome()) {
@@ -145,8 +145,7 @@ ParentToParentFetchEventRespondWithResult ToParentToParent(
   auto [preloadResponse, preloadResponseEndArgs] =
       actor->mReal->OnStart(WrapNotNull(actor));
   if (copyArgs.preloadResponse().isNothing() && preloadResponse.isSome()) {
-    copyArgs.preloadResponse() = Some(ToParentToChild(
-        preloadResponse.ref(), WrapNotNull(aManager->Manager())));
+    copyArgs.preloadResponse() = Some(ToParentToChild(preloadResponse.ref()));
   }
   if (copyArgs.preloadResponseEndArgs().isNothing() &&
       preloadResponseEndArgs.isSome()) {