Revert of Revert of Implement DisplayList GatherPixelRefs

cc/test/fake_picture_pile.h

Index: cc/test/fake_picture_pile.h
diff --git a/cc/test/fake_picture_pile.h b/cc/test/fake_picture_pile.h
index 48b8914a2d59f7d6e770f656aa570ef9c5791bf4..9a9b3fa8d2b49dca3e1933e324ac6c1be53ad442 100644
--- a/cc/test/fake_picture_pile.h
+++ b/cc/test/fake_picture_pile.h
@@ -104,7 +104,7 @@
   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_;