Remove 'Message center' text from ash_strings.

ash/system/web_notification/web_notification_tray.cc

 // 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.
 
 #include "ash/system/web_notification/web_notification_tray.h"
 
 #include "ash/root_window_controller.h"
 #include "ash/shelf/shelf_layout_manager.h"
 #include "ash/shell.h"
 #include "ash/shell_window_ids.h"
 #include "ash/system/status_area_widget.h"
 #include "ash/system/tray/tray_background_view.h"
 #include "ash/system/tray/tray_bubble_wrapper.h"
 #include "ash/system/tray/tray_constants.h"
 #include "grit/ash_resources.h"
-#include "grit/ash_strings.h"
+#include "grit/ui_strings.h"
 #include "ui/aura/root_window.h"
 #include "ui/aura/window.h"
 #include "ui/base/l10n/l10n_util.h"
 #include "ui/base/resource/resource_bundle.h"
 #include "ui/gfx/screen.h"
 #include "ui/message_center/message_center_tray_delegate.h"
 #include "ui/message_center/message_center_util.h"
 #include "ui/message_center/views/message_bubble_base.h"
 #include "ui/message_center/views/message_center_bubble.h"
 #include "ui/message_center/views/message_popup_bubble.h"
@@ skipping 279 matching lines @@
   if (popup_collection_.get())
     popup_collection_->UpdatePopups();
   if (message_center_bubble()) {
     message_center_bubble()->bubble_view()->UpdateBubble();
     UpdateBubbleViewArrow(message_center_bubble()->bubble_view());
   }
 }
 
 string16 WebNotificationTray::GetAccessibleNameForTray() {
   return l10n_util::GetStringUTF16(
-      IDS_ASH_WEB_NOTIFICATION_TRAY_ACCESSIBLE_NAME);
+      IDS_MESSAGE_CENTER_ACCESSIBLE_NAME);
 }
 
 void WebNotificationTray::HideBubbleWithView(
     const views::TrayBubbleView* bubble_view) {
   if (message_center_bubble() &&
       bubble_view == message_center_bubble()->bubble_view()) {
     message_center_tray_->HideMessageCenterBubble();
   } else if ((popup_bubble() && bubble_view == popup_bubble()->bubble_view()) ||
              popup_collection_.get()) {
     message_center_tray_->HidePopupBubble();
@@ skipping 117 matching lines @@
 
 message_center::MessagePopupBubble*
 WebNotificationTray::GetPopupBubbleForTest() {
   if (!popup_bubble())
     return NULL;
   return static_cast<message_center::MessagePopupBubble*>(
       popup_bubble()->bubble());
 }
 
 }  // namespace ash