Add preliminary support for hw-accelerated tile rasterization.

cc/resources/tile_manager.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_RESOURCES_TILE_MANAGER_H_
 #define CC_RESOURCES_TILE_MANAGER_H_
 
 #include <queue>
 #include <set>
 #include <vector>
@@ skipping 34 matching lines @@
 // This class manages tiles, deciding which should get rasterized and which
 // should no longer have any memory assigned to them. Tile objects are "owned"
 // by layers; they automatically register with the manager when they are
 // created, and unregister from the manager when they are deleted.
 class CC_EXPORT TileManager : public RasterWorkerPoolClient,
                               public RefCountedManager<Tile> {
  public:
   static scoped_ptr<TileManager> Create(
       TileManagerClient* client,
       ResourceProvider* resource_provider,
+      ContextProvider* context_provider,
       size_t num_raster_threads,
       RenderingStatsInstrumentation* rendering_stats_instrumentation,
       bool use_map_image,
       size_t max_transfer_buffer_usage_bytes,
       size_t max_raster_usage_bytes,
       GLenum map_image_texture_target);
   virtual ~TileManager();
 
   void ManageTiles(const GlobalStateThatImpactsTilePriority& state);
 
@@ skipping 151 matching lines @@
   RasterTaskCompletionStats update_visible_tiles_stats_;
 
   std::vector<Tile*> released_tiles_;
 
   DISALLOW_COPY_AND_ASSIGN(TileManager);
 };
 
 }  // namespace cc
 
 #endif  // CC_RESOURCES_TILE_MANAGER_H_