Make it so that allow_js_access: false can be used with background pages created by window.open.

content/renderer/render_view_impl.cc

Index: content/renderer/render_view_impl.cc
diff --git a/content/renderer/render_view_impl.cc b/content/renderer/render_view_impl.cc
index 5a016ac64d916b62eba021569304463e33bbb5b8..98ebc5ab0ee946c10fbefbd93f3144b5e489a5b8 100644
--- a/content/renderer/render_view_impl.cc
+++ b/content/renderer/render_view_impl.cc
@@ -1481,12 +1481,14 @@ WebView* RenderViewImpl::createView(
   int32 routing_id = MSG_ROUTING_NONE;
   int32 surface_id = 0;
   int64 cloned_session_storage_namespace_id;
+  bool no_js_access;
 
   RenderThread::Get()->Send(
       new ViewHostMsg_CreateWindow(params,
                                    &routing_id,
                                    &surface_id,
-                                   &cloned_session_storage_namespace_id));
+                                   &cloned_session_storage_namespace_id,
+                                   &no_js_access));
   if (routing_id == MSG_ROUTING_NONE)
     return NULL;
 
@@ -1521,7 +1523,7 @@ WebView* RenderViewImpl::createView(
   // the new render view (we don't need the browser to send the URL back down).
   view->alternate_error_page_url_ = alternate_error_page_url_;
 
-  return view->webview();
+  return no_js_access ? NULL : view->webview();
 }
 
 WebWidget* RenderViewImpl::createPopupMenu(WebKit::WebPopupType popup_type) {