Decouple cc::FakeWebGraphicsContext3D from blink::WGC3D

cc/output/gl_renderer.h

 // Copyright 2010 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_GL_RENDERER_H_
 #define CC_OUTPUT_GL_RENDERER_H_
 
 #include "base/cancelable_callback.h"
 #include "cc/base/cc_export.h"
 #include "cc/base/scoped_ptr_vector.h"
@@ skipping 40 matching lines @@
       const LayerTreeSettings* settings,
       OutputSurface* output_surface,
       ResourceProvider* resource_provider,
       TextureMailboxDeleter* texture_mailbox_deleter,
       int highp_threshold_min);
 
   virtual ~GLRenderer();
 
   virtual const RendererCapabilities& Capabilities() const OVERRIDE;
 
-  blink::WebGraphicsContext3D* Context();
-
   // Waits for rendering to finish.
   virtual void Finish() OVERRIDE;
 
   virtual void DoNoOp() OVERRIDE;
   virtual void SwapBuffers(const CompositorFrameMetadata& metadata) OVERRIDE;
 
   virtual void GetFramebufferPixels(void* pixels, gfx::Rect rect) OVERRIDE;
 
   virtual bool IsContextLost() OVERRIDE;
 
@@ skipping 319 matching lines @@
 
   VideoYUVProgram video_yuv_program_[NumTexCoordPrecisions];
   VideoYUVAProgram video_yuva_program_[NumTexCoordPrecisions];
   VideoStreamTextureProgram
       video_stream_texture_program_[NumTexCoordPrecisions];
 
   DebugBorderProgram debug_border_program_;
   SolidColorProgram solid_color_program_;
   SolidColorProgramAA solid_color_program_aa_;
 
-  blink::WebGraphicsContext3D* context_;
   gpu::gles2::GLES2Interface* gl_;
   gpu::ContextSupport* context_support_;
 
   skia::RefPtr<GrContext> gr_context_;
   skia::RefPtr<SkCanvas> sk_canvas_;
 
   TextureMailboxDeleter* texture_mailbox_deleter_;
 
   gfx::Rect swap_buffer_rect_;
   gfx::Rect scissor_rect_;
@@ skipping 31 matching lines @@
 #if DEBUG_GL_CALLS && !defined(NDEBUG)
 #define GLC(context, x)                                                        \
   (x, GLRenderer::DebugGLCall(&* context, #x, __FILE__, __LINE__))
 #else
 #define GLC(context, x) (x)
 #endif
 
 }  // namespace cc
 
 #endif  // CC_OUTPUT_GL_RENDERER_H_