Move context-related callbacks into OutputSurface

cc/delegating_renderer.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_DELEGATING_RENDERER_H_
 #define CC_DELEGATING_RENDERER_H_
 
 #include "base/memory/scoped_ptr.h"
 #include "cc/cc_export.h"
 #include "cc/renderer.h"
 #include "third_party/WebKit/Source/Platform/chromium/public/WebGraphicsContext3D.h"
 
 namespace cc {
 
 class OutputSurface;
 class ResourceProvider;
 
 class CC_EXPORT DelegatingRenderer :
-    public Renderer,
-    public NON_EXPORTED_BASE(
-        WebKit::WebGraphicsContext3D::WebGraphicsContextLostCallback)
+    public Renderer
 {
  public:
   static scoped_ptr<DelegatingRenderer> Create(
       RendererClient* client,
       OutputSurface* output_surface,
       ResourceProvider* resource_provider);
   virtual ~DelegatingRenderer();
 
   virtual const RendererCapabilities& capabilities() const OVERRIDE;
 
   virtual void drawFrame(RenderPassList& render_passes_in_draw_order) OVERRIDE;
 
   virtual void finish() OVERRIDE {}
 
   virtual bool swapBuffers() OVERRIDE;
 
   virtual void getFramebufferPixels(void *pixels,
                                     const gfx::Rect& rect) OVERRIDE;
 
   virtual void receiveCompositorFrameAck(const CompositorFrameAck&) OVERRIDE;
 
   virtual bool isContextLost() OVERRIDE;
 
   virtual void setVisible(bool) OVERRIDE;
 
   virtual void sendManagedMemoryStats(size_t bytes_visible,
                                       size_t bytes_visible_and_nearby,
                                       size_t bytes_allocated) OVERRIDE {}
 
-  // WebGraphicsContext3D::WebGraphicsContextLostCallback implementation.
-  virtual void onContextLost() OVERRIDE;
-
 private:
   DelegatingRenderer(RendererClient* client,
                      OutputSurface* output_surface,
                      ResourceProvider* resource_provider);
   bool Initialize();
 
   OutputSurface* output_surface_;
   ResourceProvider* resource_provider_;
   RendererCapabilities capabilities_;
   bool visible_;
 
   DISALLOW_COPY_AND_ASSIGN(DelegatingRenderer);
 };
 
 }  // namespace cc
 
 #endif  // CC_DELEGATING_RENDERER_H_