cc: Get rid of PostSwapBuffersComplete.

cc/test/fake_output_surface.cc

 // Copyright 2012 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/test/fake_output_surface.h"
 
 #include "base/bind.h"
-#include "base/message_loop/message_loop.h"
+#include "base/threading/thread_task_runner_handle.h"
 #include "cc/output/output_surface_client.h"
 #include "cc/resources/returned_resource.h"
 #include "cc/test/begin_frame_args_test.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace cc {
 
 FakeOutputSurface::FakeOutputSurface(
     scoped_refptr<ContextProvider> context_provider)
-    : OutputSurface(std::move(context_provider)) {}
+    : OutputSurface(std::move(context_provider)), weak_ptr_factory_(this) {}
 
 FakeOutputSurface::FakeOutputSurface(
     std::unique_ptr<SoftwareOutputDevice> software_device)
-    : OutputSurface(std::move(software_device)) {}
+    : OutputSurface(std::move(software_device)), weak_ptr_factory_(this) {}
 
 FakeOutputSurface::~FakeOutputSurface() = default;
 
 void FakeOutputSurface::SwapBuffers(OutputSurfaceFrame frame) {
   last_sent_frame_.reset(new OutputSurfaceFrame(std::move(frame)));
   ++num_sent_frames_;
 
   if (context_provider()) {
     last_swap_rect_ = last_sent_frame_->sub_buffer_rect;
     last_swap_rect_valid_ = true;
   } else {
     // Unknown for direct software frames.
     last_swap_rect_ = gfx::Rect();
     last_swap_rect_valid_ = false;
   }
 
-  PostSwapBuffersComplete();
+  base::ThreadTaskRunnerHandle::Get()->PostTask(
+      FROM_HERE, base::Bind(&FakeOutputSurface::SwapBuffersCallback,
+                            weak_ptr_factory_.GetWeakPtr()));
+}
+
+void FakeOutputSurface::SwapBuffersCallback() {
+  client_->DidSwapBuffersComplete();
 }
 
 void FakeOutputSurface::BindFramebuffer() {
   context_provider_->ContextGL()->BindFramebuffer(GL_FRAMEBUFFER, framebuffer_);
 }
 
 uint32_t FakeOutputSurface::GetFramebufferCopyTextureFormat() {
   if (framebuffer_)
     return framebuffer_format_;
   else
@@ skipping 24 matching lines @@
 
 bool FakeOutputSurface::IsDisplayedAsOverlayPlane() const {
   return false;
 }
 
 unsigned FakeOutputSurface::GetOverlayTextureId() const {
   return 0;
 }
 
 }  // namespace cc