Improve settings override bubble to indicate policy installed extensions

chrome/test/BUILD.gn

 # Copyright 2014 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 import("//build/config/chrome_build.gni")
 import("//build/config/compiler/compiler.gni")
 import("//build/config/crypto.gni")
 import("//build/config/features.gni")
 import("//build/config/ui.gni")
 import("//chrome/common/features.gni")
@@ skipping 3538 matching lines @@
       "../browser/ui/bookmarks/bookmark_unittest.cc",
       "../browser/ui/browser_close_unittest.cc",
       "../browser/ui/browser_command_controller_unittest.cc",
       "../browser/ui/browser_instant_controller_unittest.cc",
       "../browser/ui/browser_unittest.cc",
       "../browser/ui/chrome_bubble_manager_unittest.cc",
       "../browser/ui/content_settings/content_setting_bubble_model_unittest.cc",
       "../browser/ui/content_settings/content_setting_image_model_unittest.cc",
       "../browser/ui/exclusive_access/fullscreen_controller_state_unittest.cc",
       "../browser/ui/extensions/extension_action_view_controller_unittest.cc",
+      "../browser/ui/extensions/extension_message_bubble_bridge_unittest.cc",
       "../browser/ui/global_error/global_error_service_unittest.cc",
       "../browser/ui/omnibox/clipboard_utils_unittest.cc",
       "../browser/ui/omnibox/omnibox_controller_unittest.cc",
       "../browser/ui/passwords/manage_passwords_bubble_model_unittest.cc",
       "../browser/ui/passwords/manage_passwords_view_utils_desktop_unittest.cc",
       "../browser/ui/passwords/password_dialog_controller_impl_unittest.cc",
       "../browser/ui/search/instant_search_prerenderer_unittest.cc",
       "../browser/ui/search/instant_tab_unittest.cc",
       "../browser/ui/search/search_delegate_unittest.cc",
       "../browser/ui/search/search_ipc_router_policy_unittest.cc",
@@ skipping 1446 matching lines @@
       "touch_hud",
       "ui",
     ]
 
     if (is_linux && !is_android) {
       deps += [ "//components/font_service:manifest" ]
       packaged_services += [ "font_service" ]
     }
   }
 }