Bug 679494 - Wrap value returned from nsDOMMessageEvent::GetData. r=mrbkap

content/events/src/nsDOMMessageEvent.cpp

@@ -103,9 +103,11 @@ nsDOMMessageEvent::UnrootData()
 }
 
 NS_IMETHODIMP
-nsDOMMessageEvent::GetData(jsval* aData)
+nsDOMMessageEvent::GetData(JSContext* aCx, jsval* aData)
 {
   *aData = mData;
+  if (!JS_WrapValue(aCx, aData))
+    return NS_ERROR_FAILURE;
   return NS_OK;
 }
 

dom/interfaces/events/nsIDOMMessageEvent.idl

@@ -51,6 +51,7 @@ interface nsIDOMMessageEvent : nsIDOMEvent
   /**
    * Custom string data associated with this event.
    */
+  [implicit_jscontext]
   readonly attribute jsval data;
   
   /**