Implemented on-demand installation of the Chromoting Host on Windows.

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,
     # Use consistent strings across all platforms. Note that the plugin name
@@ skipping 536 matching lines @@
       ],
       'sources': [
         'host/branding.cc',
         'host/branding.h',
         'host/it2me_host_user_interface.cc',
         'host/it2me_host_user_interface.h',
         'host/plugin/daemon_controller.h',
         'host/plugin/daemon_controller_linux.cc',
         'host/plugin/daemon_controller_mac.cc',
         'host/plugin/daemon_controller_win.cc',
+        'host/plugin/daemon_installer_win.cc',
+        'host/plugin/daemon_installer_win.h',
         'host/plugin/host_log_handler.cc',
         'host/plugin/host_log_handler.h',
         'host/plugin/host_plugin.cc',
         'host/plugin/host_plugin_resource.h',
         'host/plugin/host_plugin_utils.cc',
         'host/plugin/host_plugin_utils.h',
         'host/plugin/host_script_object.cc',
         'host/plugin/host_script_object.h',
       ],
       'conditions': [
@@ skipping 25 matching lines @@
             ['mac_breakpad==1', {
               'variables': {
                 # A real .dSYM is needed for dump_syms to operate on.
                 'mac_real_dsym': 1,
               },
             }],
           ],  # conditions
         }],  # OS=="mac"
         [ 'OS=="win"', {
           'dependencies': [
+            '../google_update/google_update.gyp:google_update',
             '../ipc/ipc.gyp:ipc',
             'remoting_elevated_controller',
             'remoting_version_resources',
           ],
           'include_dirs': [
             '<(INTERMEDIATE_DIR)',
           ],
           'sources': [
             'host/plugin/host_plugin.def',
             'host/plugin/host_plugin.rc',
@@ skipping 767 matching lines @@
                   '../base/allocator/allocator.gyp:allocator',
                 ],
               },
             ],
           ],
         }],
       ],  # end of 'conditions'
     },  # end of target 'remoting_unittests'
   ],  # end of targets
 }