mash: Cleanup ash shelf application menu code.

chrome/browser/ui/ash/launcher/chrome_launcher_controller_mus.cc

Index: chrome/browser/ui/ash/launcher/chrome_launcher_controller_mus.cc
diff --git a/chrome/browser/ui/ash/launcher/chrome_launcher_controller_mus.cc b/chrome/browser/ui/ash/launcher/chrome_launcher_controller_mus.cc
index 286708b996a42bda35819be067d1d496c9dd7119..df9954f9d97250a90319d9a5376306586c27f657 100644
--- a/chrome/browser/ui/ash/launcher/chrome_launcher_controller_mus.cc
+++ b/chrome/browser/ui/ash/launcher/chrome_launcher_controller_mus.cc
@@ -181,11 +181,11 @@ void ChromeLauncherControllerMus::AdditionalUserAddedToSession(
   NOTIMPLEMENTED();
 }
 
-ChromeLauncherAppMenuItems ChromeLauncherControllerMus::GetApplicationList(
+ash::ShelfApplicationMenuItems ChromeLauncherControllerMus::GetAppMenuItems(
     const ash::ShelfItem& item,
     int event_flags) {
   NOTIMPLEMENTED();
-  return ChromeLauncherAppMenuItems();
+  return ash::ShelfApplicationMenuItems();
 }
 
 std::vector<content::WebContents*>