cc: Get rid of PostSwapBuffersComplete.

cc/output/output_surface.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/output_surface.h"
 
 #include <stdint.h>
 
 #include "base/bind.h"
 #include "base/location.h"
@@ skipping 190 matching lines @@
   device_scale_factor_ = scale_factor;
   has_alpha_ = has_alpha;
   if (context_provider_.get()) {
     context_provider_->ContextGL()->ResizeCHROMIUM(size.width(), size.height(),
                                                    scale_factor, has_alpha);
   }
   if (software_device_)
     software_device_->Resize(size, scale_factor);
 }
 
-void OutputSurface::PostSwapBuffersComplete() {
-  base::ThreadTaskRunnerHandle::Get()->PostTask(
-      FROM_HERE, base::Bind(&OutputSurface::OnSwapBuffersComplete,
-                            weak_ptr_factory_.GetWeakPtr()));
-}
-
 // We don't post tasks bound to the client directly since they might run
 // after the OutputSurface has been destroyed.
 void OutputSurface::OnSwapBuffersComplete() {
   client_->DidSwapBuffersComplete();
 }
 
 bool OutputSurface::OnMemoryDump(const base::trace_event::MemoryDumpArgs& args,
                                  base::trace_event::ProcessMemoryDump* pmd) {
   if (auto* context_provider = this->context_provider()) {
     // No need to lock, main context provider is not shared.
     if (auto* gr_context = context_provider->GrContext()) {
       SkiaGpuTraceMemoryDump trace_memory_dump(
           pmd, context_provider->ContextSupport()->ShareGroupTracingGUID());
       gr_context->dumpMemoryStatistics(&trace_memory_dump);
     }
   }
   return true;
 }
 
 void OutputSurface::DidLoseOutputSurface() {
   TRACE_EVENT0("cc", "OutputSurface::DidLoseOutputSurface");
   client_->DidLoseOutputSurface();
 }
 
 }  // namespace cc