Make chrome --mus run the UI Service inside the browser process.

chrome/browser/browser_process_platform_part_chromeos.h

 // Copyright (c) 2013 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.
 
 #ifndef CHROME_BROWSER_BROWSER_PROCESS_PLATFORM_PART_CHROMEOS_H_
 #define CHROME_BROWSER_BROWSER_PROCESS_PLATFORM_PART_CHROMEOS_H_
 
 #include <memory>
 #include <string>
 
 #include "base/compiler_specific.h"
 #include "base/containers/flat_set.h"
 #include "base/macros.h"
 #include "base/sequence_checker.h"
 #include "chrome/browser/browser_process_platform_part_base.h"
+#include "services/ui/common/image_cursors_set.h"
 
 namespace chromeos {
 class ChromeSessionManager;
 class ChromeUserManager;
 class ProfileHelper;
 class TimeZoneResolver;
 }
 
 namespace chromeos {
 namespace system {
@@ skipping 107 matching lines @@
   std::unique_ptr<chromeos::system::TimeZoneResolverManager>
       timezone_resolver_manager_;
   std::unique_ptr<chromeos::TimeZoneResolver> timezone_resolver_;
 
   std::unique_ptr<chromeos::system::SystemClock> system_clock_;
 
   std::unique_ptr<ScopedKeepAlive> keep_alive_;
 
   base::flat_set<std::string> compatible_cros_components_;
 
+  // Used by the UI Service.
+  ui::ImageCursorsSet image_cursors_set_;
+
 #if defined(USE_OZONE)
   std::unique_ptr<ui::InputDeviceControllerClient>
       input_device_controller_client_;
 #endif
 
   SEQUENCE_CHECKER(sequence_checker_);
 
   DISALLOW_COPY_AND_ASSIGN(BrowserProcessPlatformPart);
 };
 
 #endif  // CHROME_BROWSER_BROWSER_PROCESS_PLATFORM_PART_CHROMEOS_H_