Pass the client end handle of the network-to-daemon IPC channel via handle inheritance.

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': {
     # TODO(dmaclach): can we pick this up some other way? Right now it's
     # duplicated from chrome.gyp
     'chromium_code': 1,
 
@@ skipping 596 matching lines @@
             'host/branding.cc',
             'host/branding.h',
             'host/chromoting_messages.cc',
             'host/chromoting_messages.h',
             'host/config_file_watcher.cc',
             'host/config_file_watcher.h',
             'host/daemon_process.cc',
             'host/daemon_process.h',
             'host/daemon_process_win.cc',
             'host/host_exit_codes.h',
+            'host/ipc_consts.cc',
+            'host/ipc_consts.h',
             'host/usage_stats_consent.h',
             'host/usage_stats_consent_win.cc',
             'host/win/host_service.cc',
             'host/win/host_service.h',
             'host/win/host_service.rc',
             'host/win/host_service_resource.h',
             'host/win/launch_process_with_token.cc',
             'host/win/launch_process_with_token.h',
             'host/win/omaha.cc',
             'host/win/omaha.h',
@@ skipping 848 matching lines @@
         'host/host_key_pair.h',
         'host/host_port_allocator.cc',
         'host/host_port_allocator.h',
         'host/host_secret.cc',
         'host/host_secret.h',
         'host/host_status_observer.h',
         'host/host_user_interface.cc',
         'host/host_user_interface.h',
         'host/in_memory_host_config.cc',
         'host/in_memory_host_config.h',
+        'host/ipc_consts.cc',
+        'host/ipc_consts.h',
         'host/it2me_host_user_interface.cc',
         'host/it2me_host_user_interface.h',
         'host/json_host_config.cc',
         'host/json_host_config.h',
         'host/linux/x11_util.cc',
         'host/linux/x11_util.h',
         'host/linux/x_server_clipboard.cc',
         'host/linux/x_server_clipboard.h',
         'host/linux/x_server_pixel_buffer.cc',
         'host/linux/x_server_pixel_buffer.h',
@@ skipping 536 matching lines @@
         'host/register_support_host_request_unittest.cc',
         'host/remote_input_filter_unittest.cc',
         'host/resizing_host_observer_unittest.cc',
         'host/screen_recorder_unittest.cc',
         'host/server_log_entry_unittest.cc',
         'host/setup/oauth_helper_unittest.cc',
         'host/test_key_pair.h',
         'host/video_frame_capturer_helper_unittest.cc',
         'host/video_frame_capturer_mac_unittest.cc',
         'host/video_frame_capturer_unittest.cc',
+        'host/win/launch_process_with_token.cc',
+        'host/win/launch_process_with_token.h',
         'host/win/worker_process_launcher.cc',
         'host/win/worker_process_launcher.h',
         'host/win/worker_process_launcher_unittest.cc',
         'jingle_glue/chromium_socket_factory_unittest.cc',
         'jingle_glue/fake_signal_strategy.cc',
         'jingle_glue/fake_signal_strategy.h',
         'jingle_glue/iq_sender_unittest.cc',
         'jingle_glue/mock_objects.cc',
         'jingle_glue/mock_objects.h',
         'protocol/authenticator_test_base.cc',
@@ skipping 89 matching lines @@
                   '../base/allocator/allocator.gyp:allocator',
                 ],
               },
             ],
           ],
         }],  # end of 'toolkit_uses_gtk == 1'
       ],  # end of 'conditions'
     },  # end of target 'remoting_unittests'
   ],  # end of targets
 }