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

cc/layers/layer_impl.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_LAYERS_LAYER_IMPL_H_
 #define CC_LAYERS_LAYER_IMPL_H_
 
 #include <string>
 
 #include "base/logging.h"
@@ skipping 224 matching lines @@
     DCHECK(!draw_properties_.render_target ||
            draw_properties_.render_target->render_surface());
     return draw_properties_.render_target;
   }
   const LayerImpl* render_target() const {
     DCHECK(!draw_properties_.render_target ||
            draw_properties_.render_target->render_surface());
     return draw_properties_.render_target;
   }
   RenderSurfaceImpl* render_surface() const {
- return draw_properties_.render_surface.get();
+    return draw_properties_.render_surface.get();
   }
 
   // The client should be responsible for setting bounds, content bounds and
   // contents scale to appropriate values. LayerImpl doesn't calculate any of
   // them from the other values.
 
   void SetBounds(gfx::Size bounds);
   gfx::Size bounds() const { return bounds_; }
 
   void SetContentBounds(gfx::Size content_bounds);
@@ skipping 260 matching lines @@
   ScrollbarLayerImpl* horizontal_scrollbar_layer_;
   ScrollbarLayerImpl* vertical_scrollbar_layer_;
 
   // Group of properties that need to be computed based on the layer tree
   // hierarchy before layers can be drawn.
   DrawProperties<LayerImpl, RenderSurfaceImpl> draw_properties_;
 
   DISALLOW_COPY_AND_ASSIGN(LayerImpl);
 };
 
-}
+}  // namespace cc
 
 #endif  // CC_LAYERS_LAYER_IMPL_H_