cc: Get rid of PostSwapBuffersComplete.

cc/output/output_surface.h

 // 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.
 
 #ifndef CC_OUTPUT_OUTPUT_SURFACE_H_
 #define CC_OUTPUT_OUTPUT_SURFACE_H_
 
 #include <deque>
 #include <memory>
 
@@ skipping 120 matching lines @@
   // passed in (though it will not take ownership of the CompositorFrame
   // itself). For successful swaps, the implementation must call
   // OutputSurfaceClient::DidSwapBuffersComplete() eventually.
   virtual void SwapBuffers(OutputSurfaceFrame frame) = 0;
 
   // base::trace_event::MemoryDumpProvider implementation.
   bool OnMemoryDump(const base::trace_event::MemoryDumpArgs& args,
                     base::trace_event::ProcessMemoryDump* pmd) override;
 
  protected:
-  void PostSwapBuffersComplete();
-
   // Used internally for the context provider to inform the client about loss,
   // and can be overridden to change behaviour instead of informing the client.
   virtual void DidLoseOutputSurface();
 
   OutputSurfaceClient* client_ = nullptr;
 
   struct OutputSurface::Capabilities capabilities_;
   scoped_refptr<ContextProvider> context_provider_;
   scoped_refptr<VulkanContextProvider> vulkan_context_provider_;
   std::unique_ptr<SoftwareOutputDevice> software_device_;
   gfx::Size surface_size_;
   float device_scale_factor_ = -1;
   gfx::ColorSpace device_color_space_;
   bool has_alpha_ = true;
   gfx::ColorSpace color_space_;
   base::ThreadChecker thread_checker_;
 
  private:
   void OnSwapBuffersComplete();
 
   base::WeakPtrFactory<OutputSurface> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(OutputSurface);
 };
 
 }  // namespace cc
 
 #endif  // CC_OUTPUT_OUTPUT_SURFACE_H_