Service Worker: Clients.openWindow() should allow opening x-origin URLs

content/renderer/service_worker/service_worker_script_context.cc

Index: content/renderer/service_worker/service_worker_script_context.cc
diff --git a/content/renderer/service_worker/service_worker_script_context.cc b/content/renderer/service_worker/service_worker_script_context.cc
index 14661847051a74b91dcb8f6c4c6e3ae4b4e6ccb1..ecc0c9585aee0e313b2d8d96365f5ef7e1f17d18 100644
--- a/content/renderer/service_worker/service_worker_script_context.cc
+++ b/content/renderer/service_worker/service_worker_script_context.cc
@@ -468,6 +468,7 @@ void ServiceWorkerScriptContext::OnDidGetClientDocuments(
 
 void ServiceWorkerScriptContext::OnOpenWindowResponse(
     int request_id,
+    const GURL& url,
     const ServiceWorkerClientInfo& client) {
   TRACE_EVENT0("ServiceWorker",
                "ServiceWorkerScriptContext::OnOpenWindowResponse");
@@ -483,7 +484,10 @@ void ServiceWorkerScriptContext::OnOpenWindowResponse(
     web_client.reset(new blink::WebServiceWorkerClientInfo(
         ToWebServiceWorkerClientInfo(client)));
   }
-  callbacks->onSuccess(web_client.release());
+  if (url.GetOrigin() != client.url.GetOrigin())
+    callbacks->onSuccess(nullptr);
+  else
+    callbacks->onSuccess(web_client.release());
   pending_client_callbacks_.Remove(request_id);
 }