Add more missing closing namespace comments.

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

 /*
  * Copyright (C) 2011, 2013 Apple Inc. All rights reserved.
  * Copyright (C) 2014 Samsung Electronics. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
@@ skipping 94 matching lines @@
 class SelectorQueryCache {
     USING_FAST_MALLOC(SelectorQueryCache);
 public:
     SelectorQuery* add(const AtomicString&, const Document&, ExceptionState&);
     void invalidate();
 
 private:
     HashMap<AtomicString, OwnPtr<SelectorQuery>> m_entries;
 };
 
-}
+} // namespace blink
 
 #endif