cc: Implement overdraw feedback debugging feature.

cc/output/gl_renderer_unittest.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/output/gl_renderer.h"
 
 #include <stdint.h>
 
 #include <set>
 #include <vector>
@@ skipping 1466 matching lines @@
 class MockOutputSurface : public OutputSurface {
  public:
   explicit MockOutputSurface(scoped_refptr<ContextProvider> provider)
       : OutputSurface(std::move(provider)) {}
   virtual ~MockOutputSurface() {}
 
   void BindToClient(OutputSurfaceClient*) override {}
 
   MOCK_METHOD0(EnsureBackbuffer, void());
   MOCK_METHOD0(DiscardBackbuffer, void());
-  MOCK_METHOD4(Reshape,
+  MOCK_METHOD5(Reshape,
                void(const gfx::Size& size,
                     float scale_factor,
                     const gfx::ColorSpace& color_space,
-                    bool has_alpha));
+                    bool has_alpha,
+                    bool use_stencil));
   MOCK_METHOD0(BindFramebuffer, void());
   MOCK_METHOD0(GetFramebufferCopyTextureFormat, GLenum());
   MOCK_METHOD1(SwapBuffers_, void(OutputSurfaceFrame& frame));  // NOLINT
   void SwapBuffers(OutputSurfaceFrame frame) override { SwapBuffers_(frame); }
   MOCK_CONST_METHOD0(GetOverlayCandidateValidator,
                      OverlayCandidateValidator*());
   MOCK_CONST_METHOD0(IsDisplayedAsOverlayPlane, bool());
   MOCK_CONST_METHOD0(GetOverlayTextureId, unsigned());
   MOCK_CONST_METHOD0(SurfaceIsSuspendForRecycle, bool());
   MOCK_CONST_METHOD0(HasExternalStencilTest, bool());
@@ skipping 35 matching lines @@
     int render_pass_id = 1;
     RenderPass* render_pass = AddRenderPass(
         &render_passes_in_draw_order_, render_pass_id, gfx::Rect(viewport_size),
         gfx::Transform(), FilterOperations());
     AddQuad(render_pass, gfx::Rect(viewport_size), SK_ColorGREEN);
     render_pass->has_transparent_background = transparent;
 
     EXPECT_CALL(*output_surface_, EnsureBackbuffer()).WillRepeatedly(Return());
 
     EXPECT_CALL(*output_surface_,
-                Reshape(viewport_size, device_scale_factor, _, transparent))
+                Reshape(viewport_size, device_scale_factor, _, transparent, _))
         .Times(1);
 
     EXPECT_CALL(*output_surface_, BindFramebuffer()).Times(1);
 
     EXPECT_CALL(*context_, drawElements(_, _, _, _)).Times(1);
 
     renderer_->DecideRenderPassAllocationsForFrame(
         render_passes_in_draw_order_);
     renderer_->DrawFrame(&render_passes_in_draw_order_, device_scale_factor,
                          gfx::ColorSpace(), viewport_size);
@@ skipping 423 matching lines @@
   renderer_->SetVisible(true);
   Mock::VerifyAndClearExpectations(context_support_ptr_);
 
   EXPECT_CALL(*context_support_ptr_, SetAggressivelyFreeResources(true));
   renderer_->SetVisible(false);
   Mock::VerifyAndClearExpectations(context_support_ptr_);
 }
 
 }  // namespace
 }  // namespace cc