cc: Implement overdraw feedback debugging feature.

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 47 matching lines @@
 
   OutputSurfaceClient* client() { return client_; }
 
   void BindToClient(OutputSurfaceClient* client) override;
   void EnsureBackbuffer() override {}
   void DiscardBackbuffer() override {}
   void BindFramebuffer() override;
   void Reshape(const gfx::Size& size,
                float device_scale_factor,
                const gfx::ColorSpace& color_space,
-               bool has_alpha) override;
+               bool has_alpha,
+               bool use_stencil) override;
   void SwapBuffers(OutputSurfaceFrame frame) override;
   uint32_t GetFramebufferCopyTextureFormat() override;
   bool HasExternalStencilTest() const override;
   void ApplyExternalStencil() override {}
   bool SurfaceIsSuspendForRecycle() const override;
   OverlayCandidateValidator* GetOverlayCandidateValidator() const override;
   bool IsDisplayedAsOverlayPlane() const override;
   unsigned GetOverlayTextureId() const override;
 
   void set_framebuffer(GLint framebuffer, GLenum format) {
@@ skipping 36 matching lines @@
 
  private:
   void SwapBuffersAck();
 
   base::WeakPtrFactory<FakeOutputSurface> weak_ptr_factory_;
 };
 
 }  // namespace cc
 
 #endif  // CC_TEST_FAKE_OUTPUT_SURFACE_H_