cc: Get rid of PostSwapBuffersComplete.

cc/test/fake_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_TEST_FAKE_OUTPUT_SURFACE_H_
 #define CC_TEST_FAKE_OUTPUT_SURFACE_H_
 
 #include <stddef.h>
 
 #include "base/callback.h"
@@ skipping 105 matching lines @@
   OutputSurfaceClient* client_ = nullptr;
   std::unique_ptr<OutputSurfaceFrame> last_sent_frame_;
   size_t num_sent_frames_ = 0;
   bool has_external_stencil_test_ = false;
   bool suspended_for_recycle_ = false;
   GLint framebuffer_ = 0;
   GLenum framebuffer_format_ = 0;
   OverlayCandidateValidator* overlay_candidate_validator_ = nullptr;
   bool last_swap_rect_valid_ = false;
   gfx::Rect last_swap_rect_;
+
+ private:
+  void SwapBuffersCallback();
+
+  base::WeakPtrFactory<FakeOutputSurface> weak_ptr_factory_;
 };
 
 }  // namespace cc
 
 #endif  // CC_TEST_FAKE_OUTPUT_SURFACE_H_