Add more missing closing namespace comments.

third_party/WebKit/Source/core/html/parser/HTMLTokenizer.cpp

 /*
  * Copyright (C) 2008 Apple Inc. All Rights Reserved.
  * Copyright (C) 2009 Torch Mobile, Inc. http://www.torchmobile.com/
  * 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:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
@@ skipping 1575 matching lines @@
     }
 
     return true;
 }
 
 inline void HTMLTokenizer::parseError()
 {
     notImplemented();
 }
 
-}
+} // namespace blink