Clean up tile deletion

cc/test/fake_tile_manager.cc

 // 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.
 
 #include "cc/test/fake_tile_manager.h"
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <deque>
@@ skipping 54 matching lines @@
 }
 
 FakeTileManager::~FakeTileManager() {}
 
 bool FakeTileManager::HasBeenAssignedMemory(Tile* tile) {
   return std::find(tiles_for_raster.begin(),
                    tiles_for_raster.end(),
                    tile) != tiles_for_raster.end();
 }
 
-void FakeTileManager::Release(Tile* tile) {
-  TileManager::Release(tile);
-
-  FreeResourcesForReleasedTiles();
-  CleanUpReleasedTiles();
-}
-
 }  // namespace cc