Add ash UI for third-party VPNs

ui/chromeos/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("//testing/test.gni")
 
 component("ui_chromeos") {
   sources = [
     "accelerometer/accelerometer_util.cc",
     "accelerometer/accelerometer_util.h",
@@ skipping 15 matching lines @@
     "network/network_icon.cc",
     "network/network_icon.h",
     "network/network_icon_animation.cc",
     "network/network_icon_animation.h",
     "network/network_icon_animation_observer.h",
     "network/network_info.cc",
     "network/network_info.h",
     "network/network_list.cc",
     "network/network_list.h",
     "network/network_list_delegate.h",
+    "network/network_list_view_base.cc",
+    "network/network_list_view_base.h",
     "network/network_state_notifier.cc",
     "network/network_state_notifier.h",
     "touch_exploration_controller.cc",
     "touch_exploration_controller.h",
     "user_activity_power_manager_notifier.cc",
     "user_activity_power_manager_notifier.h",
   ]
   defines = [ "UI_CHROMEOS_IMPLEMENTATION" ]
   deps = [
     "//base",
@@ skipping 37 matching lines @@
     "//ui/aura:test_support",
     "//ui/compositor",
     "//ui/events:test_support",
     "//ui/gl",
     "//ui/message_center",
     "//ui/resources:ui_test_pak",
     "//ui/views",
     "//ui/views:test_support",
   ]
 }