mash: Cleanup ash shelf application menu code.

chrome/test/BUILD.gn

Index: chrome/test/BUILD.gn
diff --git a/chrome/test/BUILD.gn b/chrome/test/BUILD.gn
index 6dec50ad84375a8fe02f271ab5f9496f834170f0..3a3f8be6afe4c32fe63e843b1f3de9c6f92b1b74 100644
--- a/chrome/test/BUILD.gn
+++ b/chrome/test/BUILD.gn
@@ -4161,7 +4161,6 @@ test("unit_tests") {
       "../browser/ui/ash/chrome_screenshot_grabber_unittest.cc",
       "../browser/ui/ash/launcher/arc_app_shelf_id_unittest.cc",
       "../browser/ui/ash/launcher/chrome_launcher_controller_impl_unittest.cc",
-      "../browser/ui/ash/launcher/launcher_application_menu_item_model_unittest.cc",
       "../browser/ui/ash/launcher/launcher_context_menu_unittest.cc",
       "../browser/ui/ash/multi_user/multi_user_context_menu_chromeos_unittest.cc",
       "../browser/ui/ash/multi_user/multi_user_notification_blocker_chromeos_unittest.cc",
@@ -5090,15 +5089,6 @@ static_library("test_support_unit") {
     "//chrome/common",
     "//mojo/edk/test:test_support",
   ]
-
-  if (!is_android && use_ash) {
-    sources += [
-      "../browser/ui/ash/launcher/test/launcher_application_menu_item_model_test_api.cc",
-      "../browser/ui/ash/launcher/test/launcher_application_menu_item_model_test_api.h",
-      "../browser/ui/ash/launcher/test/test_chrome_launcher_app_menu_item.cc",
-      "../browser/ui/ash/launcher/test/test_chrome_launcher_app_menu_item.h",
-    ]
-  }
 }
 
 if (is_android) {