Move ash/system/web_notification message_center to ui/

ash/ash.gyp

Index: ash/ash.gyp
diff --git a/ash/ash.gyp b/ash/ash.gyp
index e8f97b0a87937b818a3cd8066acd359042998907..b33c929b0f545ee88d56f582027f344c09439586 100644
--- a/ash/ash.gyp
+++ b/ash/ash.gyp
@@ -31,6 +31,7 @@
         '../ui/aura/aura.gyp:aura',
         '../ui/base/strings/ui_strings.gyp:ui_strings',
         '../ui/compositor/compositor.gyp:compositor',
+        '../ui/message_center/message_center.gyp:message_center',
         '../ui/oak/oak.gyp:oak',
         '../ui/ui.gyp:ui',
         '../ui/ui.gyp:ui_resources',
@@ -207,8 +208,6 @@
         'system/tray/system_tray_item.h',
         'system/tray/tray_background_view.cc',
         'system/tray/tray_background_view.h',
-        'system/tray/tray_bubble_view.cc',
-        'system/tray/tray_bubble_view.h',
         'system/tray/tray_bubble_wrapper.cc',
         'system/tray/tray_bubble_wrapper.h',
         'system/tray/tray_constants.cc',
@@ -240,22 +239,8 @@
         'system/user/tray_user.h',
         'system/user/update_observer.h',
         'system/user/user_observer.h',
-        'system/web_notification/message_center.cc',
-        'system/web_notification/message_center.h',
-        'system/web_notification/message_center_bubble.cc',
-        'system/web_notification/message_center_bubble.h',
-        'system/web_notification/popup_bubble.cc',
-        'system/web_notification/popup_bubble.h',
-        'system/web_notification/web_notification.cc',
-        'system/web_notification/web_notification.h',
-        'system/web_notification/web_notification_bubble.cc',
-        'system/web_notification/web_notification_bubble.h',
-        'system/web_notification/web_notification_list.cc',
-        'system/web_notification/web_notification_list.h',
         'system/web_notification/web_notification_tray.cc',
         'system/web_notification/web_notification_tray.h',
-        'system/web_notification/web_notification_view.cc',
-        'system/web_notification/web_notification_view.h',
         'tooltips/tooltip_controller.cc',
         'tooltips/tooltip_controller.h',
         'touch/touch_observer_hud.cc',
@@ -492,6 +477,7 @@
         '../ui/app_list/app_list.gyp:app_list',
         '../ui/compositor/compositor.gyp:compositor',
         '../ui/compositor/compositor.gyp:compositor_test_support',
+        '../ui/message_center/message_center.gyp:message_center',
         '../ui/ui.gyp:ui',
         '../ui/ui.gyp:ui_resources',
         '../ui/ui.gyp:ui_test_support',
@@ -625,6 +611,7 @@
         '../ui/aura/aura.gyp:aura',
         '../ui/compositor/compositor.gyp:compositor',
         '../ui/compositor/compositor.gyp:compositor_test_support',
+        '../ui/message_center/message_center.gyp:message_center',
         '../ui/ui.gyp:ui',
         '../ui/ui.gyp:ui_resources',
         '../ui/views/views.gyp:views',