Merge 109362

Source/WebCore/html/HTMLTitleElement.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  * Copyright (C) 2003, 2010 Apple Inc. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
@@ skipping 70 matching lines @@
     TextDirection direction = LTR;
     if (RenderStyle* style = computedStyle())
         direction = style->direction();
     else if (RefPtr<RenderStyle> style = styleForRenderer())
         direction = style->direction();
     return StringWithDirection(text(), direction);
 }
 
 void HTMLTitleElement::setText(const String &value)
 {
+    RefPtr<Node> protectFromMutationEvents(this);
+
     ExceptionCode ec = 0;
     int numChildren = childNodeCount();
     
     if (numChildren == 1 && firstChild()->isTextNode())
         static_cast<Text*>(firstChild())->setData(value, ec);
-    else {  
+    else {
         // We make a copy here because entity of "value" argument can be Document::m_title,
         // which goes empty during removeChildren() invocation below,
         // which causes HTMLTitleElement::childrenChanged(), which ends up Document::setTitle().
         String valueCopy(value);
 
         if (numChildren > 0)
             removeChildren();
 
         appendChild(document()->createTextNode(valueCopy.impl()), ec);
     }
 }
 
 }