Support "Pin to taskbar" for hosted app windows.

chrome/chrome_browser.gypi

 # Copyright 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',
       'type': 'static_library',
       'variables': { 'enable_wexit_time_destructors': 1, },
@@ skipping 2563 matching lines @@
         'browser/usb/usb_device.cc',
         'browser/usb/usb_device.h',
         'browser/usb/usb_device_handle.cc',
         'browser/usb/usb_device_handle.h',
         'browser/usb/usb_interface.cc',
         'browser/usb/usb_interface.h',
         'browser/usb/usb_context.cc',
         'browser/usb/usb_context.h',
         'browser/usb/usb_service.cc',
         'browser/usb/usb_service.h',
+        'browser/web_applications/update_relaunch_details_worker_win.cc',
+        'browser/web_applications/update_relaunch_details_worker_win.h',
         'browser/web_applications/update_shortcut_worker_win.cc',
         'browser/web_applications/update_shortcut_worker_win.h',
         'browser/web_applications/web_app.cc',
         'browser/web_applications/web_app.h',
         'browser/web_applications/web_app_android.cc',
         'browser/web_applications/web_app_chromeos.cc',
         'browser/web_applications/web_app_linux.cc',
         'browser/web_applications/web_app_mac.h',
         'browser/web_applications/web_app_mac.mm',
         'browser/web_applications/web_app_win.h',
@@ skipping 1241 matching lines @@
             'package_name': 'org/chromium/chrome/browser',
             'template_deps': ['browser/android/tab_load_status.h'],
           },
           'includes': [ '../build/android/java_cpp_template.gypi' ],
         },
       ],
      },
     ],
   ],
 }