[NOT FOR REVIEW] ash: Add some implementation for the window management extension API.

chrome/chrome_browser.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',
       'type': 'static_library',
@@ skipping 2490 matching lines @@
         'browser/ui/ash/launcher/launcher_favicon_loader.h',
         'browser/ui/ash/screenshot_taker.cc',
         'browser/ui/ash/screenshot_taker.h',
         'browser/ui/ash/tabs/dock_info_ash.cc',
         'browser/ui/ash/user_action_handler.cc',
         'browser/ui/ash/user_action_handler.h',
         'browser/ui/ash/volume_controller_chromeos.cc',
         'browser/ui/ash/volume_controller_chromeos.h',
         'browser/ui/ash/window_positioner.cc',
         'browser/ui/ash/window_positioner.h',
+        'browser/ui/ash/window_manager_extension.cc',
+        'browser/ui/ash/window_manager_extension.h',
         'browser/ui/aura/chrome_browser_main_extra_parts_aura.cc',
         'browser/ui/aura/chrome_browser_main_extra_parts_aura.h',
         'browser/ui/aura/tabs/dock_info_aurax11.cc',
         'browser/ui/auto_login_info_bar_delegate.cc',
         'browser/ui/auto_login_info_bar_delegate.h',
         'browser/ui/auto_login_prompter.cc',
         'browser/ui/auto_login_prompter.h',
         'browser/ui/base_window.h',
         'browser/ui/blocked_content/blocked_content_container.cc',
         'browser/ui/blocked_content/blocked_content_container.h',
@@ skipping 3072 matching lines @@
           'includes': [ '../build/jni_generator.gypi' ],
           'dependencies': [
             'android_jar_jni_headers',
           ],
         },
       ],
      },
     ],
   ],
 }