Add more missing closing namespace comments.

third_party/WebKit/Source/core/html/LinkRelAttribute.cpp

 /*
  * 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 77 matching lines @@
         } else if (equalIgnoringCase(linkType, "apple-touch-icon")) {
             m_iconType = TouchIcon;
         } else if (equalIgnoringCase(linkType, "apple-touch-icon-precomposed")) {
             m_iconType = TouchPrecomposedIcon;
         } else if (equalIgnoringCase(linkType, "manifest")) {
             m_isManifest = true;
         }
     }
 }
 
-}
+} // namespace blink