Merge 109362

Source/WebCore/html/HTMLOptionElement.cpp

Index: Source/WebCore/html/HTMLOptionElement.cpp
===================================================================
--- Source/WebCore/html/HTMLOptionElement.cpp	(revision 109466)
+++ Source/WebCore/html/HTMLOptionElement.cpp	(working copy)
@@ -137,10 +137,12 @@
 
 void HTMLOptionElement::setText(const String &text, ExceptionCode& ec)
 {
+    RefPtr<Node> protectFromMutationEvents(this);
+
     // Changing the text causes a recalc of a select's items, which will reset the selected
     // index to the first item if the select is single selection with a menu list. We attempt to
     // preserve the selected item.
-    HTMLSelectElement* select = ownerSelectElement();
+    RefPtr<HTMLSelectElement> select = ownerSelectElement();
     bool selectIsMenuList = select && select->usesMenuList();
     int oldSelectedIndex = selectIsMenuList ? select->selectedIndex() : -1;