Add more missing closing namespace comments.

third_party/WebKit/Source/core/dom/IncrementLoadEventDelayCount.cpp

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "core/dom/IncrementLoadEventDelayCount.h"
 
 #include "core/dom/Document.h"
 
 namespace blink {
 
@@ skipping 12 matching lines @@
 {
     m_document->decrementLoadEventDelayCount();
 }
 
 void IncrementLoadEventDelayCount::documentChanged(Document& newDocument)
 {
     newDocument.incrementLoadEventDelayCount();
     m_document->decrementLoadEventDelayCount();
     m_document = &newDocument;
 }
-}
+} // namespace blink