cc: Fix style for comments at the end of namespaces

cc/tile_draw_quad.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/tile_draw_quad.h"
 
 #include "base/logging.h"
 #include "third_party/khronos/GLES2/gl2.h"
@@ skipping 21 matching lines @@
         m_needsBlending = true;
     m_opaqueRect = opaqueRect;
 }
 
 const TileDrawQuad* TileDrawQuad::materialCast(const DrawQuad* quad)
 {
     DCHECK(quad->material() == DrawQuad::TiledContent);
     return static_cast<const TileDrawQuad*>(quad);
 }
 
-}
+}  // namespace cc