cc: Get rid of PostSwapBuffersComplete.

cc/output/compositor_frame_sink.cc

 // Copyright (c) 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "cc/output/compositor_frame_sink.h"
 
 #include <stdint.h>
 
 #include "base/bind.h"
 #include "base/location.h"
 #include "base/macros.h"
 #include "base/threading/thread_task_runner_handle.h"
 #include "base/trace_event/trace_event.h"
 #include "cc/output/compositor_frame_sink_client.h"
 #include "gpu/GLES2/gl2extchromium.h"
 #include "gpu/command_buffer/client/context_support.h"
 #include "gpu/command_buffer/client/gles2_interface.h"
 
 namespace cc {
 
 CompositorFrameSink::CompositorFrameSink(
     scoped_refptr<ContextProvider> context_provider,
     scoped_refptr<ContextProvider> worker_context_provider)
     : context_provider_(std::move(context_provider)),
-      worker_context_provider_(std::move(worker_context_provider)),
-      weak_ptr_factory_(this) {
+      worker_context_provider_(std::move(worker_context_provider)) {
   client_thread_checker_.DetachFromThread();
 }
 
 CompositorFrameSink::CompositorFrameSink(
     scoped_refptr<VulkanContextProvider> vulkan_context_provider)
-    : vulkan_context_provider_(vulkan_context_provider),
-      weak_ptr_factory_(this) {
+    : vulkan_context_provider_(vulkan_context_provider) {
   client_thread_checker_.DetachFromThread();
 }
 
 CompositorFrameSink::~CompositorFrameSink() {
   if (client_)
     DetachFromClientInternal();
 }
 
 bool CompositorFrameSink::BindToClient(CompositorFrameSinkClient* client) {
   DCHECK(client_thread_checker_.CalledOnValidThread());
@@ skipping 13 matching lines @@
 
   if (!success)
     DetachFromClient();
   return success;
 }
 
 void CompositorFrameSink::DetachFromClient() {
   DetachFromClientInternal();
 }
 
-void CompositorFrameSink::PostSwapBuffersComplete() {
-  base::ThreadTaskRunnerHandle::Get()->PostTask(
-      FROM_HERE, base::Bind(&CompositorFrameSink::OnSwapBuffersComplete,
-                            weak_ptr_factory_.GetWeakPtr()));
-}
-
 // We don't post tasks bound to the client directly since they might run
 // after the CompositorFrameSink has been destroyed.
 void CompositorFrameSink::OnSwapBuffersComplete() {
   client_->DidSwapBuffersComplete();
 }
 
 void CompositorFrameSink::DetachFromClientInternal() {
   DCHECK(client_thread_checker_.CalledOnValidThread());
   DCHECK(client_);
 
   if (context_provider_.get()) {
     context_provider_->SetLostContextCallback(
         ContextProvider::LostContextCallback());
   }
   context_provider_ = nullptr;
   client_ = nullptr;
-  weak_ptr_factory_.InvalidateWeakPtrs();
 }
 
 void CompositorFrameSink::DidLoseCompositorFrameSink() {
   TRACE_EVENT0("cc", "CompositorFrameSink::DidLoseCompositorFrameSink");
   client_->DidLoseCompositorFrameSink();
 }
 
 }  // namespace cc