Use OnceCallback on Mojo interfaces in //chrome/common/media_router

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

Index: chrome/browser/media/router/mojo/media_router_mojo_impl.cc
diff --git a/chrome/browser/media/router/mojo/media_router_mojo_impl.cc b/chrome/browser/media/router/mojo/media_router_mojo_impl.cc
index 9b778029530627e63ca792ea57f11021be4dd65d..a4d35e8dd8730778f9082c718e99ede4f2fa7b7e 100644
--- a/chrome/browser/media/router/mojo/media_router_mojo_impl.cc
+++ b/chrome/browser/media/router/mojo/media_router_mojo_impl.cc
@@ -127,8 +127,7 @@ void MediaRouterMojoImpl::OnConnectionError() {
 
 void MediaRouterMojoImpl::RegisterMediaRouteProvider(
     mojom::MediaRouteProviderPtr media_route_provider_ptr,
-    const mojom::MediaRouter::RegisterMediaRouteProviderCallback&
-        callback) {
+    mojom::MediaRouter::RegisterMediaRouteProviderCallback callback) {
   DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
 #if defined(OS_WIN)
   // The MRPM may have been upgraded or otherwise reload such that we could be
@@ -152,7 +151,7 @@ void MediaRouterMojoImpl::RegisterMediaRouteProvider(
   media_route_provider_ = std::move(media_route_provider_ptr);
   media_route_provider_.set_connection_error_handler(base::Bind(
       &MediaRouterMojoImpl::OnConnectionError, base::Unretained(this)));
-  callback.Run(instance_id_);
+  std::move(callback).Run(instance_id_);
   ExecutePendingRequests();
   SyncStateToMediaRouteProvider();