Move Mus into chrome's process when running with --mus.

services/ui/common/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("//services/service_manager/public/service_manifest.gni")
 import("//testing/test.gni")
 
 source_set("mus_common") {
   sources = [
     "accelerator_util.cc",
     "accelerator_util.h",
+    "image_cursors_set.cc",
+    "image_cursors_set.h",
     "switches.cc",
     "switches.h",
     "transient_window_utils.h",
     "types.h",
     "util.h",
   ]
 
   deps = [
     "//gpu/command_buffer/client",
     "//gpu/config",
@@ skipping 20 matching lines @@
     "task_runner_test_base.cc",
     "task_runner_test_base.h",
   ]
 
   deps = [
     "//base",
     "//base/test:test_support",
     "//testing/gtest",
   ]
 }