Implement message center on Windows

chrome/chrome_browser_ui.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_ui',
       'type': 'static_library',
       'variables': { 'enable_wexit_time_destructors': 1, },
@@ skipping 1357 matching lines @@
         'browser/ui/views/ash/tab_scrubber.h',
         'browser/ui/views/ash/tab_scrubber.cc',
         'browser/ui/views/autofill/autofill_dialog_views.cc',
         'browser/ui/views/autofill/autofill_dialog_views.h',
         'browser/ui/views/autofill/autofill_popup_view_views.cc',
         'browser/ui/views/autofill/autofill_popup_view_views.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/balloon_collection_impl_win.cc',
+        'browser/ui/views/balloon_collection_impl_win.h',
+        'browser/ui/views/balloon_view_win.cc',
+        'browser/ui/views/balloon_view_win.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',
         'browser/ui/views/bookmarks/bookmark_bubble_view_observer.h',
         'browser/ui/views/bookmarks/bookmark_context_menu.cc',
         'browser/ui/views/bookmarks/bookmark_context_menu.h',
         'browser/ui/views/bookmarks/bookmark_context_menu_controller_views.cc',
@@ skipping 234 matching lines @@
         'browser/ui/views/location_bar/touchable_location_bar_view.h',
         'browser/ui/views/location_bar/zoom_bubble_view.cc',
         'browser/ui/views/location_bar/zoom_bubble_view.h',
         'browser/ui/views/location_bar/zoom_view.cc',
         'browser/ui/views/location_bar/zoom_view.h',
         'browser/ui/views/location_bar/web_intents_button_view.cc',
         'browser/ui/views/location_bar/web_intents_button_view.h',
         'browser/ui/views/login_prompt_views.cc',
         'browser/ui/views/login_view.cc',
         'browser/ui/views/login_view.h',
+        'browser/ui/views/message_center/message_center_tray_host_win.h',
+        'browser/ui/views/message_center/message_center_tray_host_win.cc',
         'browser/ui/views/missing_system_file_dialog_win.cc',
         'browser/ui/views/missing_system_file_dialog_win.h',
         'browser/ui/views/native_constrained_window_aura.cc',
         'browser/ui/views/native_constrained_window_win.cc',
         'browser/ui/views/notifications/balloon_collection_views.cc',
         'browser/ui/views/notifications/balloon_view_host.cc',
         'browser/ui/views/notifications/balloon_view_host.h',
         'browser/ui/views/notifications/balloon_view_views.cc',
         'browser/ui/views/notifications/balloon_view_views.h',
         'browser/ui/views/omnibox/omnibox_popup_contents_view.cc',
@@ skipping 1143 matching lines @@
         }],
         ['enable_message_center==1', {
           'dependencies': [
             '../ui/message_center/message_center.gyp:message_center',
           ],
         }],
       ],
     },
   ],
 }