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

cc/layers/picture_layer_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_LAYERS_PICTURE_LAYER_IMPL_H_
 #define CC_LAYERS_PICTURE_LAYER_IMPL_H_
 
+#include <string>
+#include <vector>
+
 #include "cc/base/cc_export.h"
 #include "cc/base/scoped_ptr_vector.h"
 #include "cc/layers/layer_impl.h"
 #include "cc/resources/picture_layer_tiling.h"
 #include "cc/resources/picture_layer_tiling_set.h"
 #include "cc/resources/picture_pile_impl.h"
 #include "skia/ext/refptr.h"
 #include "third_party/skia/include/core/SkPicture.h"
 
 namespace cc {
@@ skipping 95 matching lines @@
   float raster_contents_scale_;
   float low_res_raster_contents_scale_;
 
   bool raster_source_scale_was_animating_;
   bool is_using_lcd_text_;
 
   friend class PictureLayer;
   DISALLOW_COPY_AND_ASSIGN(PictureLayerImpl);
 };
 
-}
+}  // namespace cc
 
 #endif  // CC_LAYERS_PICTURE_LAYER_IMPL_H_