This adds in the ability for Chrome to generate windows with snapshots of all...

chrome/chrome_browser.gypi

 # Copyright (c) 2010 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': '<(library)',
       'msvs_guid': '5BF908A7-68FB-4A4B-99E3-8C749F1FE4EA',
@@ skipping 466 matching lines @@
         'browser/chromeos/status/status_area_view.h',
         'browser/chromeos/usb_mount_observer.cc',
         'browser/chromeos/usb_mount_observer.h',
         'browser/chromeos/version_loader.cc',
         'browser/chromeos/version_loader.h',
         'browser/chromeos/view_ids.h',
         'browser/chromeos/wm_ipc.cc',
         'browser/chromeos/wm_ipc.h',
         'browser/chromeos/wm_message_listener.cc',
         'browser/chromeos/wm_message_listener.h',
+        'browser/chromeos/wm_overview_controller.cc',
+        'browser/chromeos/wm_overview_controller.h',
+        'browser/chromeos/wm_overview_snapshot.cc',
+        'browser/chromeos/wm_overview_snapshot.h',
         'browser/cocoa/about_ipc_bridge.h',
         'browser/cocoa/about_ipc_bridge.mm',
         'browser/cocoa/about_ipc_controller.h',
         'browser/cocoa/about_ipc_controller.mm',
         'browser/cocoa/about_ipc_dialog.h',
         'browser/cocoa/about_ipc_dialog.mm',
         'browser/cocoa/about_window_controller.h',
         'browser/cocoa/about_window_controller.mm',
         'browser/cocoa/animatable_view.h',
         'browser/cocoa/animatable_view.mm',
@@ skipping 2806 matching lines @@
       ]
     },
   ],
 }
 
 # Local Variables:
 # tab-width:2
 # indent-tabs-mode:nil
 # End:
 # vim: set expandtab tabstop=2 shiftwidth=2: