cc: Fix style for comments at the end of namespaces

cc/layer_sorter.cc

 // 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.
 
 #include "config.h"
 
 #include "cc/layer_sorter.h"
 
 #include <deque>
 #include <limits>
@@ skipping 395 matching lines @@
     for (LayerList::iterator it = first; it < last; it++)
         *it = sortedList[count++]->layer;
 
     DVLOG(2) << "Sorting end ----";
 
     m_nodes.clear();
     m_edges.clear();
     m_activeEdges.clear();
 }
 
-}
+}  // namespace cc