[ServiceWorker] Associate interfaces.

mojo/public/cpp/bindings/associated_interface_ptr.h

Index: mojo/public/cpp/bindings/associated_interface_ptr.h
diff --git a/mojo/public/cpp/bindings/associated_interface_ptr.h b/mojo/public/cpp/bindings/associated_interface_ptr.h
index e760c7d34a053bf9ec57d9386dd15ecab1f12f63..4d75949d883a31b907860e4b63a61e492f55c0c9 100644
--- a/mojo/public/cpp/bindings/associated_interface_ptr.h
+++ b/mojo/public/cpp/bindings/associated_interface_ptr.h
@@ -267,6 +267,25 @@ void GetDummyProxyForTesting(AssociatedInterfacePtr<Interface>* proxy) {
   MakeRequest(proxy, group.get());
 }
 
+template <typename Interface>
+scoped_refptr<AssociatedGroupController> GetRemoteGroupControllerForTesting(
+    AssociatedInterfacePtr<Interface>* proxy) {
+  MessagePipe pipe;
+  scoped_refptr<internal::MultiplexRouter> router0 =
+      new internal::MultiplexRouter(std::move(pipe.handle0),
+                                    internal::MultiplexRouter::MULTI_INTERFACE,
+                                    true, base::ThreadTaskRunnerHandle::Get());
+  scoped_refptr<internal::MultiplexRouter> router1 =
+      new internal::MultiplexRouter(std::move(pipe.handle1),
+                                    internal::MultiplexRouter::MULTI_INTERFACE,
+                                    false, base::ThreadTaskRunnerHandle::Get());
+
+  std::unique_ptr<AssociatedGroup> group = router0->CreateAssociatedGroup();
+  MakeRequest(proxy, group.get());
+
+  return router1;
+}
+
 }  // namespace mojo
 
 #endif  // MOJO_PUBLIC_CPP_BINDINGS_ASSOCIATED_INTERFACE_PTR_H_