Transfer LayerImpl ownership to LayerTreeImpl

cc/layers/layer_lists.h

Index: cc/layers/layer_lists.h
diff --git a/cc/layers/layer_lists.h b/cc/layers/layer_lists.h
deleted file mode 100644
index 264d219a26fa86c7e0c370e0c6b8450ecac87531..0000000000000000000000000000000000000000
--- a/cc/layers/layer_lists.h
+++ /dev/null
@@ -1,24 +0,0 @@
-// Copyright 2013 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_LAYERS_LAYER_LISTS_H_
-#define CC_LAYERS_LAYER_LISTS_H_
-
-#include <vector>
-
-#include "base/memory/ref_counted.h"
-#include "base/memory/scoped_ptr.h"
-#include "cc/base/cc_export.h"
-
-namespace cc {
-class Layer;
-class LayerImpl;
-
-typedef std::vector<scoped_refptr<Layer>> LayerList;
-typedef std::vector<scoped_ptr<LayerImpl>> OwnedLayerImplList;
-typedef std::vector<LayerImpl*> LayerImplList;
-
-}  // namespace cc
-
-#endif  // CC_LAYERS_LAYER_LISTS_H_