cc: Fix style for comments at the end of namespaces

cc/io_surface_layer.cc

 // 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.
 
 #include "config.h"
 
 #include "cc/io_surface_layer.h"
 
 #include "cc/io_surface_layer_impl.h"
 
@@ skipping 32 matching lines @@
 }
 
 void IOSurfaceLayer::pushPropertiesTo(LayerImpl* layer)
 {
     Layer::pushPropertiesTo(layer);
 
     IOSurfaceLayerImpl* ioSurfaceLayer = static_cast<IOSurfaceLayerImpl*>(layer);
     ioSurfaceLayer->setIOSurfaceProperties(m_ioSurfaceId, m_ioSurfaceSize);
 }
 
-}
+}  // namespace cc