cc: Update Main RendererCapabilities on DeferredInitialize

cc/output/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_OUTPUT_RENDERER_H_
 #define CC_OUTPUT_RENDERER_H_
 
 #include "base/basictypes.h"
 #include "cc/base/cc_export.h"
 #include "cc/quads/render_pass.h"
@@ skipping 17 matching lines @@
   bool using_shared_memory_resources;
 
   // Capabilities used on compositor thread only.
   bool using_partial_swap;
   bool using_egl_image;
   bool avoid_pow2_textures;
   bool using_map_image;
   bool using_discard_framebuffer;
 
   RendererCapabilities MainThreadCapabilities() const;
+  bool Equals(const RendererCapabilities& main_caps) const;
 };
 
 class CC_EXPORT RendererClient {
  public:
   virtual void SetFullRootLayerDamage() = 0;
 };
 
 class CC_EXPORT Renderer {
  public:
   virtual ~Renderer() {}
@@ skipping 45 matching lines @@
   RendererClient* client_;
   const LayerTreeSettings* settings_;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(Renderer);
 };
 
 }  // namespace cc
 
 #endif  // CC_OUTPUT_RENDERER_H_