Merge 109362

Source/WebCore/html/HTMLTitleElement.cpp

Index: Source/WebCore/html/HTMLTitleElement.cpp
===================================================================
--- Source/WebCore/html/HTMLTitleElement.cpp	(revision 109466)
+++ Source/WebCore/html/HTMLTitleElement.cpp	(working copy)
@@ -88,12 +88,14 @@
 
 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().