Merge 139100

Source/WebCore/dom/Element.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2001 Peter Kelly (pmk@post.com)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  *           (C) 2007 David Smith (catfish.man@gmail.com)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2012 Apple Inc. All rights reserved.
  *           (C) 2007 Eric Seidel (eric@webkit.org)
  *
  * This library is free software; you can redistribute it and/or
@@ skipping 721 matching lines @@
         return;
     }
 
     if (!inSynchronizationOfLazyAttribute)
         willModifyAttribute(name, attributeItem(index)->value(), newValue);
 
     if (newValue != attributeItem(index)->value()) {
         // If there is an Attr node hooked to this attribute, the Attr::setValue() call below
         // will write into the ElementAttributeData.
         // FIXME: Refactor this so it makes some sense.
-        if (RefPtr<Attr> attrNode = attrIfExists(name))
+        if (RefPtr<Attr> attrNode = inSynchronizationOfLazyAttribute ? 0 : attrIfExists(name))
             attrNode->setValue(newValue);
         else
             mutableAttributeData()->attributeItem(index)->setValue(newValue);
     }
 
     if (!inSynchronizationOfLazyAttribute)
         didModifyAttribute(name, newValue);
 }
 
 static inline AtomicString makeIdForStyleResolution(const AtomicString& value, bool inQuirksMode)
@@ skipping 1940 matching lines @@
 
 void Element::reportMemoryUsage(MemoryObjectInfo* memoryObjectInfo) const
 {
     MemoryClassInfo info(memoryObjectInfo, this, WebCoreMemoryTypes::DOM);
     ContainerNode::reportMemoryUsage(memoryObjectInfo);
     info.addMember(m_tagName);
     info.addMember(m_attributeData);
 }
 
 } // namespace WebCore