Update from https://crrev.com/320931

cc/trees/layer_tree_impl.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_TREES_LAYER_TREE_IMPL_H_
 #define CC_TREES_LAYER_TREE_IMPL_H_
 
 #include <set>
 #include <string>
 #include <vector>
 
 #include "base/containers/hash_tables.h"
 #include "base/values.h"
 #include "cc/base/scoped_ptr_vector.h"
-#include "cc/base/swap_promise.h"
 #include "cc/base/synced_property.h"
+#include "cc/input/layer_selection_bound.h"
 #include "cc/layers/layer_impl.h"
+#include "cc/output/begin_frame_args.h"
 #include "cc/output/renderer.h"
+#include "cc/output/swap_promise.h"
 #include "cc/resources/ui_resource_client.h"
+#include "cc/trees/layer_tree_host_impl.h"
 
 namespace base {
 namespace trace_event {
 class TracedValue;
 }
 }
 
 namespace cc {
 
 class ContextProvider;
 class DebugRectHistory;
 class FrameRateCounter;
 class HeadsUpDisplayLayerImpl;
 class LayerScrollOffsetDelegateProxy;
 class LayerTreeDebugState;
-class LayerTreeHostImpl;
 class LayerTreeImpl;
 class LayerTreeSettings;
 class MemoryHistory;
 class OutputSurface;
 class PageScaleAnimation;
 class PaintTimeCounter;
 class PictureLayerImpl;
 class Proxy;
 class ResourceProvider;
 class TileManager;
@@ skipping 370 matching lines @@
 
   scoped_ptr<PendingPageScaleAnimation> pending_page_scale_animation_;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(LayerTreeImpl);
 };
 
 }  // namespace cc
 
 #endif  // CC_TREES_LAYER_TREE_IMPL_H_