diff options
| -rw-r--r-- | dom/bindings/BindingUtils.cpp | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/dom/bindings/BindingUtils.cpp b/dom/bindings/BindingUtils.cpp index b244d4d2a..41ca6a629 100644 --- a/dom/bindings/BindingUtils.cpp +++ b/dom/bindings/BindingUtils.cpp @@ -2487,6 +2487,12 @@ ConstructJSImplementation(const char* aContractId, { AutoNoJSAPI nojsapi; + nsCOMPtr<nsPIDOMWindowInner> window = do_QueryInterface(aGlobal); + if (!window->IsCurrentInnerWindow()) { + aRv.Throw(NS_ERROR_FAILURE); + return; + } + // Get the XPCOM component containing the JS implementation. nsresult rv; nsCOMPtr<nsISupports> implISupports = do_CreateInstance(aContractId, &rv); @@ -2501,7 +2507,6 @@ ConstructJSImplementation(const char* aContractId, // and our global is a window. nsCOMPtr<nsIDOMGlobalPropertyInitializer> gpi = do_QueryInterface(implISupports); - nsCOMPtr<nsPIDOMWindowInner> window = do_QueryInterface(aGlobal); if (gpi) { JS::Rooted<JS::Value> initReturn(RootingCx()); rv = gpi->Init(window, &initReturn); |