Merge 127534

Source/WebCore/dom/Node.cpp

Index: Source/WebCore/dom/Node.cpp
===================================================================
--- Source/WebCore/dom/Node.cpp	(revision 128789)
+++ Source/WebCore/dom/Node.cpp	(working copy)
@@ -40,6 +40,7 @@
 #include "CSSStyleSheet.h"
 #include "ChildNodeList.h"
 #include "ClassNodeList.h"
+#include "ContainerNodeAlgorithms.h"
 #include "ContextMenuController.h"
 #include "DOMImplementation.h"
 #include "DOMSettableTokenList.h"
@@ -1199,6 +1200,11 @@
         ec = HIERARCHY_REQUEST_ERR;
         return;
     }
+
+    if (newParent->inDocument() && ChildFrameDisconnector::nodeHasDisconnector(newParent)) {
+        ec = NO_MODIFICATION_ALLOWED_ERR;
+        return;
+    }
 }
 
 void Node::checkReplaceChild(Node* newChild, Node* oldChild, ExceptionCode& ec)