[WIP] ash/extensions: Add experimental extension support for window-management in ash.

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 3574 matching lines @@
         'browser/ui/views/ash/balloon_view_ash.cc',
         'browser/ui/views/ash/balloon_view_ash.h',
         'browser/ui/views/ash/browser_non_client_frame_view_ash.h',
         'browser/ui/views/ash/browser_non_client_frame_view_ash.cc',
         'browser/ui/views/ash/chrome_browser_main_extra_parts_ash.cc',
         'browser/ui/views/ash/chrome_browser_main_extra_parts_ash.h',
         'browser/ui/views/ash/chrome_shell_delegate.cc',
         'browser/ui/views/ash/chrome_shell_delegate.h',
         'browser/ui/views/ash/panel_view_aura.cc',
         'browser/ui/views/ash/panel_view_aura.h',
+        'browser/ui/views/ash/window_manager_extension.cc',  # Move these into ui/ash/
+        'browser/ui/views/ash/window_manager_extension.h',
         'browser/ui/views/avatar_menu_bubble_view.cc',
         'browser/ui/views/avatar_menu_bubble_view.h',
         'browser/ui/views/avatar_menu_button.cc',
         'browser/ui/views/avatar_menu_button.h',
         'browser/ui/views/bookmarks/bookmark_bar_instructions_view.cc',
         'browser/ui/views/bookmarks/bookmark_bar_instructions_view.h',
         'browser/ui/views/bookmarks/bookmark_bar_view.cc',
         'browser/ui/views/bookmarks/bookmark_bar_view.h',
         'browser/ui/views/bookmarks/bookmark_bubble_view.cc',
         'browser/ui/views/bookmarks/bookmark_bubble_view.h',
@@ skipping 1988 matching lines @@
           'includes': [ '../build/jni_generator.gypi' ],
           'dependencies': [
             'android_jar_jni_headers',
           ],
         },
       ],
      },
     ],
   ],
 }