cc: Do not cleanup tiles with raster tasks.

cc/resources/tile_manager.h

Index: cc/resources/tile_manager.h
diff --git a/cc/resources/tile_manager.h b/cc/resources/tile_manager.h
index 5ad80910f8e8aed434edc19e2a04571ce3d62781..cf481e91a6bea32814509b1bf51c61a9c355380f 100644
--- a/cc/resources/tile_manager.h
+++ b/cc/resources/tile_manager.h
@@ -227,7 +227,10 @@ class CC_EXPORT TileManager : public RasterizerClient,
 
   void SetRasterizerForTesting(Rasterizer* rasterizer);
 
-  void CleanUpReleasedTilesForTesting() { CleanUpReleasedTiles(); }
+  void CleanUpReleasedTilesForTesting() {
+    FreeResourcesForReleasedTiles();

[reveman, 2014/07/10 16:21:56]

please move this to a separate function or change the name of this ForTesting
function to reflect that it's now doing more than cleaning up released tiles.

[sohanjg, 2014/07/11 15:14:12]

Done.

+    CleanUpReleasedTiles();
+  }
 
  protected:
   TileManager(TileManagerClient* client,
@@ -240,6 +243,7 @@ class CC_EXPORT TileManager : public RasterizerClient,
   friend class Tile;
   void DidChangeTilePriority(Tile* tile);
 
+  void FreeResourcesForReleasedTiles();
   void CleanUpReleasedTiles();
 
   // Overriden from RefCountedManager<Tile>:
@@ -331,8 +335,6 @@ class CC_EXPORT TileManager : public RasterizerClient,
   // Queue used when scheduling raster tasks.
   RasterTaskQueue raster_queue_;
 
-  std::vector<scoped_refptr<RasterTask> > orphan_raster_tasks_;
-
   UniqueNotifier ready_to_activate_check_notifier_;
 
   DISALLOW_COPY_AND_ASSIGN(TileManager);