Add more missing closing namespace comments.

third_party/WebKit/Source/core/html/shadow/MeterShadowElement.h

 /*
  * Copyright (C) 2011 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 58 matching lines @@
 public:
     static PassRefPtrWillBeRawPtr<MeterValueElement> create(Document&);
     void setWidthPercentage(double);
     void updatePseudo() { setShadowPseudoId(valuePseudoId()); }
 
 private:
     explicit MeterValueElement(Document&);
     const AtomicString& valuePseudoId() const;
 };
 
-}
+} // namespace blink
 
 #endif // MeterShadowElement_h