Add more missing closing namespace comments.

third_party/WebKit/Source/core/dom/VisitedLinkState.h

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 2004-2005 Allan Sandfeld Jensen (kde@carewolf.com)
  * Copyright (C) 2006, 2007 Nicholas Shanks (webkit@nickshanks.com)
  * Copyright (C) 2005, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All rights reserved.
  * Copyright (C) 2007 Alexey Proskuryakov <ap@webkit.org>
  * Copyright (C) 2007, 2008 Eric Seidel <eric@webkit.org>
  * Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  * Copyright (c) 2011, Code Aurora Forum. All rights reserved.
  * Copyright (C) Research In Motion Limited 2011. All rights reserved.
@@ skipping 50 matching lines @@
 private:
     explicit VisitedLinkState(const Document&);
     const Document& document() const { return *m_document; }
 
     EInsideLink determineLinkStateSlowCase(const Element&);
 
     RawPtrWillBeMember<const Document> m_document;
     HashSet<LinkHash, LinkHashHash> m_linksCheckedForVisitedState;
 };
 
-}
+} // namespace blink
 
 #endif