cc: Get rid of rasterizer delegate.

cc/trees/layer_tree_host_impl.h

Index: cc/trees/layer_tree_host_impl.h
diff --git a/cc/trees/layer_tree_host_impl.h b/cc/trees/layer_tree_host_impl.h
index 05ddaabcf8a05d1cf7d35825979e1bd92bb0da79..494342e5194f7812e185a2374cd5fcc92ad2efa9 100644
--- a/cc/trees/layer_tree_host_impl.h
+++ b/cc/trees/layer_tree_host_impl.h
@@ -486,16 +486,15 @@ class CC_EXPORT LayerTreeHostImpl
   Proxy* proxy_;
 
  private:
-  void CreateAndSetRenderer(OutputSurface* output_surface,
-                            ResourceProvider* resource_provider);
-  void CreateAndSetTileManager(ResourceProvider* resource_provider,
-                               ContextProvider* context_provider,
-                               bool use_zero_copy,
-                               bool use_one_copy,
-                               bool allow_rasterize_on_demand);
+  void CreateAndSetRenderer();
+  void CreateAndSetTileManager();
+  void DestroyTileManager();
   void ReleaseTreeResources();
   void EnforceZeroBudget(bool zero_budget);
 
+  bool UseZeroCopyTextureUpload() const;
+  bool UseOneCopyTextureUpload() const;
+
   void ScrollViewportBy(gfx::Vector2dF scroll_delta);
   void AnimatePageScale(base::TimeTicks monotonic_time);
   void AnimateScrollbars(base::TimeTicks monotonic_time);
@@ -564,7 +563,6 @@ class CC_EXPORT LayerTreeHostImpl
   scoped_ptr<TileManager> tile_manager_;
   bool use_gpu_rasterization_;
   scoped_ptr<RasterWorkerPool> raster_worker_pool_;
-  scoped_ptr<RasterWorkerPool> direct_raster_worker_pool_;
   scoped_ptr<ResourcePool> resource_pool_;
   scoped_ptr<ResourcePool> staging_resource_pool_;
   scoped_ptr<Renderer> renderer_;