Bug 1789636 - Remove unused ContentListener class, Send/RecvEvent and RemoteDOMEvent, r=aiunusov

Differential Revision: https://phabricator.services.mozilla.com/D156687

dom/ipc/BrowserChild.cpp

@@ -166,8 +166,6 @@ using namespace mozilla::layout;
 using namespace mozilla::widget;
 using mozilla::layers::GeckoContentController;
 
-NS_IMPL_ISUPPORTS(ContentListener, nsIDOMEventListener)
-
 static const char BEFORE_FIRST_PAINT[] = "before-first-paint";
 
 static uint32_t sConsecutiveTouchMoveCount = 0;
@@ -210,15 +208,6 @@ bool BrowserChild::UpdateFrame(const RepaintRequest& aRequest) {
   return true;
 }
 
-NS_IMETHODIMP
-ContentListener::HandleEvent(Event* aEvent) {
-  RemoteDOMEvent remoteEvent;
-  remoteEvent.mEvent = aEvent;
-  NS_ENSURE_STATE(remoteEvent.mEvent);
-  mBrowserChild->SendEvent(remoteEvent);
-  return NS_OK;
-}
-
 class BrowserChild::DelayedDeleteRunnable final : public Runnable,
                                                   public nsIRunnablePriority {
   RefPtr<BrowserChild> mBrowserChild;

dom/ipc/BrowserChild.h

@@ -133,17 +133,6 @@ class BrowserChildMessageManager : public ContentFrameMessageManager,
   ~BrowserChildMessageManager();
 };
 
-class ContentListener final : public nsIDOMEventListener {
- public:
-  explicit ContentListener(BrowserChild* aBrowserChild)
-      : mBrowserChild(aBrowserChild) {}
-  NS_DECL_ISUPPORTS
-  NS_DECL_NSIDOMEVENTLISTENER
- protected:
-  ~ContentListener() = default;
-  BrowserChild* mBrowserChild;
-};
-
 /**
  * BrowserChild implements the child actor part of the PBrowser protocol. See
  * PBrowser for more information.

dom/ipc/BrowserParent.cpp

@@ -868,21 +868,6 @@ mozilla::ipc::IPCResult BrowserParent::RecvDropLinks(
   return IPC_OK();
 }
 
-mozilla::ipc::IPCResult BrowserParent::RecvEvent(const RemoteDOMEvent& aEvent) {
-  NS_ENSURE_TRUE(xpc::IsInAutomation(), IPC_FAIL(this, "Unexpected event"));
-
-  RefPtr<Event> event = aEvent.mEvent;
-  NS_ENSURE_TRUE(event, IPC_OK());
-
-  RefPtr<EventTarget> target = mFrameElement;
-  NS_ENSURE_TRUE(target, IPC_OK());
-
-  event->SetOwner(target);
-
-  target->DispatchEvent(*event);
-  return IPC_OK();
-}
-
 bool BrowserParent::SendLoadRemoteScript(const nsAString& aURL,
                                          const bool& aRunInGlobalScope) {
   if (mCreatingWindow) {

dom/ipc/BrowserParent.h

@@ -273,8 +273,6 @@ class BrowserParent final : public PBrowserParent,
 
   mozilla::ipc::IPCResult RecvDropLinks(nsTArray<nsString>&& aLinks);
 
-  mozilla::ipc::IPCResult RecvEvent(const RemoteDOMEvent& aEvent);
-
   // TODO: Use MOZ_CAN_RUN_SCRIPT when it gains IPDL support (bug 1539864)
   MOZ_CAN_RUN_SCRIPT_BOUNDARY mozilla::ipc::IPCResult RecvReplyKeyEvent(
       const WidgetKeyboardEvent& aEvent, const nsID& aUUID);

dom/ipc/PBrowser.ipdl

@@ -265,8 +265,6 @@ parent:
      */
     async DropLinks(nsString[] aLinks);
 
-    async Event(RemoteDOMEvent aEvent);
-
     sync SyncMessage(nsString aMessage, ClonedMessageData aData)
       returns (StructuredCloneData[] retval);
 

dom/ipc/TabMessageTypes.h

@@ -10,12 +10,6 @@
 #include "mozilla/RefPtr.h"
 
 namespace mozilla::dom {
-class Event;
-
-struct RemoteDOMEvent {
-  // Make sure to set the owner after deserializing.
-  RefPtr<Event> mEvent;
-};
 
 enum class EmbedderElementEventType {
   NoEvent,

dom/ipc/TabMessageUtils.cpp

@@ -1,33 +0,0 @@
-/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
-/* vim: set ts=8 sts=2 et sw=2 tw=80: */
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
-
-#include "mozilla/Assertions.h"
-#include "mozilla/EventDispatcher.h"
-#include "mozilla/dom/Event.h"
-#include "mozilla/dom/TabMessageUtils.h"
-#include "nsCOMPtr.h"
-
-namespace mozilla::dom {
-
-bool ReadRemoteEvent(IPC::MessageReader* aReader, RemoteDOMEvent* aResult) {
-  aResult->mEvent = nullptr;
-  nsString type;
-  NS_ENSURE_TRUE(ReadParam(aReader, &type), false);
-
-  aResult->mEvent =
-      EventDispatcher::CreateEvent(nullptr, nullptr, nullptr, type);
-
-  // In a controlled environment, we should always have a valid event.
-  bool ret = false;
-  if (aResult->mEvent) {
-    ret = aResult->mEvent->Deserialize(aReader);
-  }
-  MOZ_ASSERT_UNLESS_FUZZING(ret);
-
-  return ret;
-}
-
-}  // namespace mozilla::dom

dom/ipc/TabMessageUtils.h

@@ -18,30 +18,8 @@
 #include "TabMessageTypes.h"
 #include "X11UndefineNone.h"
 
-namespace mozilla::dom {
-
-bool ReadRemoteEvent(IPC::MessageReader* aReader,
-                     mozilla::dom::RemoteDOMEvent* aResult);
-
-}  // namespace mozilla::dom
-
 namespace IPC {
 
-template <>
-struct ParamTraits<mozilla::dom::RemoteDOMEvent> {
-  typedef mozilla::dom::RemoteDOMEvent paramType;
-
-  static void Write(MessageWriter* aWriter, const paramType& aParam) {
-    aParam.mEvent->Serialize(aWriter, true);
-  }
-
-  static bool Read(MessageReader* aReader, paramType* aResult) {
-    return mozilla::dom::ReadRemoteEvent(aReader, aResult);
-  }
-
-  static void Log(const paramType& aParam, std::wstring* aLog) {}
-};
-
 template <>
 struct ParamTraits<nsSizeMode>
     : public ContiguousEnumSerializer<nsSizeMode, nsSizeMode_Normal,

dom/ipc/moz.build

@@ -133,7 +133,6 @@ UNIFIED_SOURCES += [
     "SharedStringMap.cpp",
     "StructuredCloneData.cpp",
     "TabContext.cpp",
-    "TabMessageUtils.cpp",
     "URLClassifierParent.cpp",
     "WindowGlobalActor.cpp",
     "WindowGlobalChild.cpp",