Revert of Revert of Implement DisplayList GatherPixelRefs

cc/test/fake_picture_pile.h

 // Copyright 2014 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_PICTURE_PILE_H_
 #define CC_TEST_FAKE_PICTURE_PILE_H_
 
 #include "cc/resources/picture_pile.h"
 #include "cc/test/fake_content_layer_client.h"
 #include "cc/test/impl_side_painting_settings.h"
@@ skipping 86 matching lines @@
     client_.add_draw_bitmap(bitmap, point, paint);
   }
 
   void set_default_paint(const SkPaint& paint) { default_paint_ = paint; }
 
   void AddRecordingAt(int x, int y);
   void RemoveRecordingAt(int x, int y);
   bool HasRecordingAt(int x, int y) const;
   int num_tiles_x() const { return tiling_.num_tiles_x(); }
   int num_tiles_y() const { return tiling_.num_tiles_y(); }
-  void RerecordPile();
+  void Rerecord();
 
  private:
   base::WaitableEvent* playback_allowed_event_;
 
   FakeContentLayerClient client_;
   SkPaint default_paint_;
 };
 
 }  // namespace cc
 
 #endif  // CC_TEST_FAKE_PICTURE_PILE_H_