[Media Router] Custom Controls 3 - add plumbing through MRUI and MRWebUIMessageHandler

chrome/browser/media/router/mojo/media_router_mojo_test.cc

Index: chrome/browser/media/router/mojo/media_router_mojo_test.cc
diff --git a/chrome/browser/media/router/mojo/media_router_mojo_test.cc b/chrome/browser/media/router/mojo/media_router_mojo_test.cc
index d88c9649ee66492920e2f9a33701084de4617d1c..567c72ecf6bd6f1695ec1994d34c5c648e880dfb 100644
--- a/chrome/browser/media/router/mojo/media_router_mojo_test.cc
+++ b/chrome/browser/media/router/mojo/media_router_mojo_test.cc
@@ -45,6 +45,16 @@ void MockMediaController::CloseBinding() {
   binding_.Close();
 }
 
+MockMediaRouteController::MockMediaRouteController(
+    const MediaRoute::Id& route_id,
+    mojom::MediaControllerPtr mojo_media_controller,
+    MediaRouter* media_router)
+    : MediaRouteController(route_id,
+                           std::move(mojo_media_controller),
+                           media_router) {}
+
+MockMediaRouteController::~MockMediaRouteController() {}
+
 MockMediaRouteControllerObserver::MockMediaRouteControllerObserver(
     scoped_refptr<MediaRouteController> controller)
     : MediaRouteController::Observer(controller) {}