Merge 111556

Source/WebCore/svg/SVGTRefElement.cpp

Index: Source/WebCore/svg/SVGTRefElement.cpp
===================================================================
--- Source/WebCore/svg/SVGTRefElement.cpp	(revision 112607)
+++ Source/WebCore/svg/SVGTRefElement.cpp	(working copy)
@@ -227,6 +227,10 @@
     // Remove any existing event listener.
     clearEventListener();
 
+    // If we're not yet in a document, this function will be called again from insertedIntoDocument().
+    if (!inDocument())
+        return;
+
     String id;
     Element* target = SVGURIReference::targetElementFromIRIString(href(), document(), &id);
     if (!target) {
@@ -241,10 +245,6 @@
 
     updateReferencedText();
 
-    // We should not add the event listener if we are not in document yet.
-    if (!inDocument())
-        return;
-
     m_eventListener = SubtreeModificationEventListener::create(this, id);
     ASSERT(target->parentNode());
     target->parentNode()->addEventListener(eventNames().DOMSubtreeModifiedEvent, m_eventListener.get(), false);