Bug 1214491 - Remove CanCallerAccess check for XPIDL version of nsGlobalWindow::AddEventListener. r=bz

dom/base/nsGlobalWindow.cpp

@@ -10003,11 +10003,6 @@ nsGlobalWindow::AddEventListener(const nsAString& aType,
                "aWantsUntrusted to false or make the aWantsUntrusted "
                "explicit by making optional_argc non-zero.");
 
-  if (IsOuterWindow() && mInnerWindow &&
-      !nsContentUtils::CanCallerAccess(mInnerWindow)) {
-    return NS_ERROR_DOM_SECURITY_ERR;
-  }
-
   if (!aWantsUntrusted &&
       (aOptionalArgc < 2 && !nsContentUtils::IsChromeDoc(mDoc))) {
     aWantsUntrusted = true;