Adds more BUILD.gns to ash

ash/mus/BUILD.gn

 # Copyright 2015 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/ui.gni")
 import("//mojo/public/tools/bindings/mojom.gni")
 import("//services/shell/public/cpp/service.gni")
 import("//services/shell/public/service_manifest.gni")
 import("//tools/grit/repack.gni")
 
@@ skipping 216 matching lines @@
   if (is_chromeos) {
     sources += [ "$root_gen_dir/ui/chromeos/resources/ui_chromeos_resources_200_percent.pak" ]
     deps += [ "//ui/chromeos/resources" ]
   }
 }
 
 source_set("unittests") {
   testonly = true
 
   sources = [
-    "../common/wm_window_unittest.cc",
     "accelerators/accelerator_controller_registrar_test_api.cc",
     "accelerators/accelerator_controller_registrar_test_api.h",
     "accelerators/accelerator_controller_unittest.cc",
     "accelerators/accelerator_registrar_unittest.cc",
     "app_launch_unittest.cc",
     "bridge/wm_shell_mus_test_api.h",
     "bridge/wm_window_mus_test_api.h",
     "layout_manager_unittest.cc",
     "root_window_controller_unittest.cc",
     "test/ash_test_impl_mus.cc",
     "test/ash_test_impl_mus.h",
     "test/wm_test_base.cc",
     "test/wm_test_base.h",
     "test/wm_test_helper.cc",
     "test/wm_test_helper.h",
     "window_manager_unittest.cc",
     "wm/container_finder_unittest.cc",
     "wm/mru_window_tracker_unittest.cc",
     "workspace/workspace_layout_manager_unittest.cc",
   ]
 
   deps = [
     ":lib",
     ":resources",
     "//ash",
-    "//ash:test_support_without_content",
+    "//ash/common/test:test_support",
     "//ash/public/interfaces",
     "//base",
     "//base/test:test_config",
     "//base/test:test_support",
     "//mojo/public/cpp/system",
     "//services/shell/public/cpp:service_test_support",
     "//services/ui/common:mus_common",
     "//services/ui/public/cpp",
     "//services/ui/public/cpp/tests:test_support",
     "//services/ui/public/cpp/tests:unittest_support",
@@ skipping 13 matching lines @@
     "//ui/views:test_support",
     "//ui/views/mus",
   ]
 
   data_deps = [
     ":mus",
     "//mash/quick_launch",
   ]
 
   defines = [ "NOTIMPLEMENTED_POLICY=5" ]
-
-  if (is_chromeos) {
-    sources +=
-        [ "../common/system/chromeos/brightness/tray_brightness_unittest.cc" ]
-  }
 }