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"
@@ skipping 158 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();
 }
 
 bool CompositorFrameSink::OnMemoryDump(
     const base::trace_event::MemoryDumpArgs& args,
     base::trace_event::ProcessMemoryDump* pmd) {
   if (auto* context_provider = this->context_provider()) {
@@ skipping 34 matching lines @@
   client_ = nullptr;
   weak_ptr_factory_.InvalidateWeakPtrs();
 }
 
 void CompositorFrameSink::DidLoseCompositorFrameSink() {
   TRACE_EVENT0("cc", "CompositorFrameSink::DidLoseCompositorFrameSink");
   client_->DidLoseCompositorFrameSink();
 }
 
 }  // namespace cc