Implement installation of the Chrome App Host.

chrome/chrome_browser_extensions.gypi

 # 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.
 
 {
   'targets': [
     {
       'target_name': 'browser_extensions',
       'type': 'static_library',
       'variables': { 'enable_wexit_time_destructors': 1, },
@@ skipping 684 matching lines @@
             'browser/extensions/platform_app_launcher.h',
             'browser/extensions/api/usb/usb_api.cc',
             'browser/extensions/api/usb/usb_api.h',
             'browser/extensions/api/usb/usb_device_resource.cc',
             'browser/extensions/api/usb/usb_device_resource.h',
           ],
         }],
       ],
     },
   ],
+  'conditions': [
+    ['OS=="win"', {
+      'targets': [
+        {
+          'target_name': 'app_host',
+          'type': 'executable',
+          'include_dirs': [
+              '..',
+            ],
+          'direct_dependent_settings': {
+            'include_dirs': [
+              '..',
+            ],
+          },
+          'dependencies': [
+            '<(DEPTH)/base/base.gyp:base',
+            '<(DEPTH)/chrome/chrome.gyp:launcher_support',
+          ],
+          'sources': [
+            'browser/extensions/app_host_stub_main.cc',
+          ],
+        },
+      ],
+    }, ],  # 'OS=="win"'
+  ],  # 'conditions'
 }