Remove parts of //cc we aren't using

cc/test/fake_tile_manager_client.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_TEST_FAKE_TILE_MANAGER_CLIENT_H_
-#define CC_TEST_FAKE_TILE_MANAGER_CLIENT_H_
-
-#include <vector>
-
-#include "cc/resources/tile_manager.h"
-
-namespace cc {
-
-class FakeTileManagerClient : public TileManagerClient {
- public:
-  FakeTileManagerClient();
-  ~FakeTileManagerClient() override;
-
-  // TileManagerClient implementation.
-  void NotifyReadyToActivate() override {}
-  void NotifyReadyToDraw() override {}
-  void NotifyTileStateChanged(const Tile* tile) override {}
-  scoped_ptr<RasterTilePriorityQueue> BuildRasterQueue(
-      TreePriority tree_priority,
-      RasterTilePriorityQueue::Type type) override;
-  scoped_ptr<EvictionTilePriorityQueue> BuildEvictionQueue(
-      TreePriority tree_priority) override;
-  void SetIsLikelyToRequireADraw(bool is_likely_to_require_a_draw) override {}
-};
-
-}  // namespace cc
-
-#endif  // CC_TEST_FAKE_TILE_MANAGER_CLIENT_H_