cc: Redraw incomplete frames when new texture uploads finish

cc/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_TILE_MANAGER_H_
 #define CC_TILE_MANAGER_H_
 
 #include <list>
 #include <queue>
 #include <vector>
@@ skipping 64 matching lines @@
               ResourceProvider *resource_provider,
               size_t num_raster_threads);
   virtual ~TileManager();
 
   const GlobalStateThatImpactsTilePriority& GlobalState() const {
       return global_state_;
   }
   void SetGlobalState(const GlobalStateThatImpactsTilePriority& state);
 
   void ManageTiles();
-  void CheckForCompletedSetPixels();
+  bool CheckForCompletedSetPixels();
   void GetMemoryStats(size_t* memoryRequiredBytes,
                       size_t* memoryNiceToHaveBytes,
                       size_t* memoryUsedBytes);
 
   void GetRenderingStats(RenderingStats* stats);
 
  protected:
   // Methods called by Tile
   friend class Tile;
   void RegisterTile(Tile* tile);
@@ skipping 43 matching lines @@
   TileQueue tiles_with_pending_set_pixels_;
 
   RenderingStats rendering_stats_;
 
   DISALLOW_COPY_AND_ASSIGN(TileManager);
 };
 
 }  // namespace cc
 
 #endif  // CC_TILE_MANAGER_H_