Move remoting::GetUsername() from remoting/base to remoting/host

remoting/remoting.gyp

 # Copyright (c) 2012 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.
 
 {
   'variables': {
     'chromium_code': 1,
 
     'variables': {
       'conditions': [
@@ skipping 325 matching lines @@
             'host/desktop_shape_tracker_x11.cc',
             'host/disconnect_window_aura.cc',
             'host/disconnect_window_gtk.cc',
             'host/disconnect_window_mac.h',
             'host/disconnect_window_mac.mm',
             'host/disconnect_window_win.cc',
             'host/dns_blackhole_checker.cc',
             'host/dns_blackhole_checker.h',
             'host/heartbeat_sender.cc',
             'host/heartbeat_sender.h',
-            'host/host_status_sender.cc',
-            'host/host_status_sender.h',
             'host/host_change_notification_listener.cc',
             'host/host_change_notification_listener.h',
             'host/host_config.cc',
             'host/host_config.h',
+            'host/host_exit_codes.cc',
             'host/host_exit_codes.h',
-            'host/host_exit_codes.cc',
             'host/host_secret.cc',
             'host/host_secret.h',
             'host/host_status_monitor.h',
             'host/host_status_observer.h',
+            'host/host_status_sender.cc',
+            'host/host_status_sender.h',
             'host/host_window.h',
             'host/host_window_proxy.cc',
             'host/host_window_proxy.h',
             'host/in_memory_host_config.cc',
             'host/in_memory_host_config.h',
             'host/input_injector.h',
             'host/input_injector_linux.cc',
             'host/input_injector_mac.cc',
             'host/input_injector_win.cc',
             'host/ipc_audio_capturer.cc',
@@ skipping 66 matching lines @@
             'host/service_urls.h',
             'host/session_manager_factory.cc',
             'host/session_manager_factory.h',
             'host/signaling_connector.cc',
             'host/signaling_connector.h',
             'host/token_validator_factory_impl.cc',
             'host/token_validator_factory_impl.h',
             'host/usage_stats_consent.h',
             'host/usage_stats_consent_mac.cc',
             'host/usage_stats_consent_win.cc',
+            'host/username.cc',
+            'host/username.h',
             'host/video_scheduler.cc',
             'host/video_scheduler.h',
             'host/win/com_security.cc',
             'host/win/com_security.h',
             'host/win/launch_process_with_token.cc',
             'host/win/launch_process_with_token.h',
             'host/win/omaha.cc',
             'host/win/omaha.h',
             'host/win/rdp_client.cc',
             'host/win/rdp_client.h',
@@ skipping 2596 matching lines @@
                   '../base/allocator/allocator.gyp:allocator',
                 ],
               },
             ],
           ],
         }],  # end of 'toolkit_uses_gtk == 1'
       ],  # end of 'conditions'
     },  # end of target 'remoting_unittests'
   ],  # end of targets
 }