Rename mojo: to service:

services/shell/tests/shutdown/shutdown_client_app.cc

Index: services/shell/tests/shutdown/shutdown_client_app.cc
diff --git a/services/shell/tests/shutdown/shutdown_client_app.cc b/services/shell/tests/shutdown/shutdown_client_app.cc
index c3c5918a1e771ef7ad968f237d1d7133b54068f1..5da8801417d1ab128a7ec6eb74f0814cd7466a0f 100644
--- a/services/shell/tests/shutdown/shutdown_client_app.cc
+++ b/services/shell/tests/shutdown/shutdown_client_app.cc
@@ -41,8 +41,7 @@ class ShutdownClientApp
   // mojom::ShutdownTestClientController:
   void ConnectAndWait(const ConnectAndWaitCallback& callback) override {
     mojom::ShutdownTestServicePtr service;
-    connector()->ConnectToInterface("mojo:shutdown_service",
-                                               &service);
+    connector()->ConnectToInterface("service:shutdown_service", &service);
 
     mojo::Binding<mojom::ShutdownTestClient> client_binding(this);