Add a new BindInterface() method to Connector.

ash/mus/keyboard_ui_mus.cc

Index: ash/mus/keyboard_ui_mus.cc
diff --git a/ash/mus/keyboard_ui_mus.cc b/ash/mus/keyboard_ui_mus.cc
index 9b728f61c103109b4792d0a8d211d7740cf36212..2f745aa61f453a71be29ec38bd0d55ca6d4c6ef0 100644
--- a/ash/mus/keyboard_ui_mus.cc
+++ b/ash/mus/keyboard_ui_mus.cc
@@ -15,8 +15,7 @@ KeyboardUIMus::KeyboardUIMus(service_manager::Connector* connector)
     : is_enabled_(false), observer_binding_(this) {
   if (connector) {
     // TODO(sky): should be something like mojo:keyboard, but need mapping.
-    connector->ConnectToInterface(content::mojom::kBrowserServiceName,
-                                  &keyboard_);
+    connector->BindInterface(content::mojom::kBrowserServiceName, &keyboard_);
     keyboard_->AddObserver(observer_binding_.CreateInterfacePtrAndBind());
   }
 }