Throw in window.open() when an invalid URL is being passed

third_party/WebKit/Source/bindings/core/v8/custom/V8WindowCustom.cpp

Index: third_party/WebKit/Source/bindings/core/v8/custom/V8WindowCustom.cpp
diff --git a/third_party/WebKit/Source/bindings/core/v8/custom/V8WindowCustom.cpp b/third_party/WebKit/Source/bindings/core/v8/custom/V8WindowCustom.cpp
index fbde86903d45695683a767a9ff69c3dea2edf087..53587f3febcc8c66405f285af4baa750f624ba05 100644
--- a/third_party/WebKit/Source/bindings/core/v8/custom/V8WindowCustom.cpp
+++ b/third_party/WebKit/Source/bindings/core/v8/custom/V8WindowCustom.cpp
@@ -287,7 +287,11 @@ void V8Window::openMethodCustom(
   // passed the BindingSecurity check above.
   DOMWindow* opened_window = ToLocalDOMWindow(impl)->open(
       url_string, frame_name, window_features_string,
-      CurrentDOMWindow(info.GetIsolate()), EnteredDOMWindow(info.GetIsolate()));
+      CurrentDOMWindow(info.GetIsolate()), EnteredDOMWindow(info.GetIsolate()),
+      exception_state);
+  if (exception_state.HadException()) {
+    return;
+  }
   if (!opened_window) {
     V8SetReturnValueNull(info);
     return;