Fix cpplint errors in cc/(animation|input|layers|trees|test)/

cc/trees/layer_sorter.h

 // Copyright 2011 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_SORTER_H_
 #define CC_TREES_LAYER_SORTER_H_
 
+#include <vector>
+
 #include "base/basictypes.h"
 #include "base/hash_tables.h"
 #include "cc/base/cc_export.h"
 #include "cc/layers/layer_impl.h"
 #include "ui/gfx/point3_f.h"
 #include "ui/gfx/quad_f.h"
 #include "ui/gfx/rect_f.h"
 #include "ui/gfx/vector3d_f.h"
 
 #if defined(COMPILER_GCC)
@@ skipping 84 matching lines @@
   typedef base::hash_map<GraphEdge*, GraphEdge*> EdgeMap;
   EdgeMap active_edges_;
 
   void CreateGraphNodes(LayerList::iterator first, LayerList::iterator last);
   void CreateGraphEdges();
   void RemoveEdgeFromList(GraphEdge* graph, std::vector<GraphEdge*>* list);
 
   DISALLOW_COPY_AND_ASSIGN(LayerSorter);
 };
 
-}
+}  // namespace cc
 #endif  // CC_TREES_LAYER_SORTER_H_