Add more missing closing namespace comments.

third_party/WebKit/Source/modules/filesystem/EntryBase.h

 /*
  * Copyright (C) 2010 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 52 matching lines @@
 
     Member<DOMFileSystemBase> m_fileSystem;
 
     // This is a virtual path.
     const String m_fullPath;
     const String m_name;
 
     mutable String m_cachedURL;
 };
 
-}
+} // namespace blink
 
 #endif // EntryBase_h