cc: Redraw incomplete frames when new texture uploads finish

cc/tile_manager.h

Index: cc/tile_manager.h
diff --git a/cc/tile_manager.h b/cc/tile_manager.h
index b8786ef9b60bdb378ef0dab502b2bb000ff7062b..09ec89d18c57c3ed050dc3284c4efed74fc4a1f6 100644
--- a/cc/tile_manager.h
+++ b/cc/tile_manager.h
@@ -82,7 +82,7 @@ class CC_EXPORT TileManager {
   void SetGlobalState(const GlobalStateThatImpactsTilePriority& state);
 
   void ManageTiles();
-  void CheckForCompletedSetPixels();
+  bool CheckForCompletedSetPixels();
   void GetMemoryStats(size_t* memoryRequiredBytes,
                       size_t* memoryNiceToHaveBytes,
                       size_t* memoryUsedBytes);