Add more missing closing namespace comments.

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

 /*
  * Copyright (C) 2013 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.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 165 matching lines @@
             return ScriptEnd;
         }
     }
 
     // FIXME: Also setForceNullCharacterReplacement when in text mode.
     tokenizer->setForceNullCharacterReplacement(inForeignContent());
     tokenizer->setShouldAllowCDATA(inForeignContent());
     return simulatedToken;
 }
 
-}
+} // namespace blink