Add more missing closing namespace comments.

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

 /*
  * Copyright (C) 2010 Google, Inc. All Rights Reserved.
  * Copyright (C) 2011, 2014 Apple 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
@@ skipping 466 matching lines @@
 {
     return item->hasTagName(liTag);
 }
 
 bool isDdOrDt(const HTMLStackItem* item)
 {
     return item->hasTagName(ddTag)
         || item->hasTagName(dtTag);
 }
 
-}
+} // namespace
 
 template <bool shouldClose(const HTMLStackItem*)>
 void HTMLTreeBuilder::processCloseWhenNestedTag(AtomicHTMLToken* token)
 {
     m_framesetOk = false;
     HTMLElementStack::ElementRecord* nodeRecord = m_tree.openElements()->topRecord();
     while (1) {
         RefPtrWillBeRawPtr<HTMLStackItem> item = nodeRecord->stackItem();
         if (shouldClose(item.get())) {
             ASSERT(item->isElementNode());
@@ skipping 2314 matching lines @@
     ASSERT(m_isAttached);
     // Warning, this may detach the parser. Do not do anything else after this.
     m_tree.finishedParsing();
 }
 
 void HTMLTreeBuilder::parseError(AtomicHTMLToken*)
 {
 }
 
 } // namespace blink