Removed QuadSink and MockQuadCuller

cc/layers/delegated_renderer_layer_impl.h

Index: cc/layers/delegated_renderer_layer_impl.h
diff --git a/cc/layers/delegated_renderer_layer_impl.h b/cc/layers/delegated_renderer_layer_impl.h
index e71fce842fbe122ec8e3fc5e658e4a6d2a5a4c9b..12e910708ad8297e731bd520a7e896e9b01dd529 100644
--- a/cc/layers/delegated_renderer_layer_impl.h
+++ b/cc/layers/delegated_renderer_layer_impl.h
@@ -34,7 +34,8 @@ class CC_EXPORT DelegatedRendererLayerImpl : public LayerImpl {
   virtual void ReleaseResources() OVERRIDE;
   virtual bool WillDraw(DrawMode draw_mode,
                         ResourceProvider* resource_provider) OVERRIDE;
-  virtual void AppendQuads(QuadSink* quad_sink,
+  virtual void AppendQuads(RenderPass* render_pass,
+                           const OcclusionTracker<LayerImpl>& occlusion_tracker,
                            AppendQuadsData* append_quads_data) OVERRIDE;
   virtual void PushPropertiesTo(LayerImpl* layer) OVERRIDE;
 
@@ -64,7 +65,7 @@ class CC_EXPORT DelegatedRendererLayerImpl : public LayerImpl {
  private:
   void ClearChildId();
 
-  void AppendRainbowDebugBorder(QuadSink* quad_sink,
+  void AppendRainbowDebugBorder(RenderPass* render_pass,
                                 AppendQuadsData* append_quads_data);
 
   void SetRenderPasses(
@@ -81,7 +82,8 @@ class CC_EXPORT DelegatedRendererLayerImpl : public LayerImpl {
       const gfx::Size& frame_size) const;
 
   void AppendRenderPassQuads(
-      QuadSink* quad_sink,
+      RenderPass* render_pass,
+      const OcclusionTracker<LayerImpl>& occlusion_tracker,
       AppendQuadsData* append_quads_data,
       const RenderPass* delegated_render_pass,
       const gfx::Size& frame_size) const;