cc: Add support for partial swaps when using impl-side painting.

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 <deque>
 #include <queue>
 #include <set>
@@ skipping 14 matching lines @@
 #include "cc/resources/resource_pool.h"
 #include "cc/resources/tile.h"
 
 namespace cc {
 class RasterizerDelegate;
 class ResourceProvider;
 
 class CC_EXPORT TileManagerClient {
  public:
   virtual void NotifyReadyToActivate() = 0;
+  virtual void NotifyTileInitialized(const Tile* tile) = 0;
 
  protected:
   virtual ~TileManagerClient() {}
 };
 
 struct RasterTaskCompletionStats {
   RasterTaskCompletionStats();
 
   size_t completed_count;
   size_t canceled_count;
@@ skipping 290 matching lines @@
   std::vector<scoped_refptr<RasterTask> > orphan_raster_tasks_;
 
   std::vector<PictureLayerImpl*> layers_;
 
   DISALLOW_COPY_AND_ASSIGN(TileManager);
 };
 
 }  // namespace cc
 
 #endif  // CC_RESOURCES_TILE_MANAGER_H_