chrome/browser/ui: Remove use of MessageLoopProxy and deprecated MessageLoop APIs

chrome/browser/ui/views/message_center/web_notification_tray.cc

 // Copyright 2013 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 "chrome/browser/ui/views/message_center/web_notification_tray.h"
 
 #include "base/i18n/number_formatting.h"
+#include "base/location.h"
 #include "base/prefs/pref_service.h"
+#include "base/single_thread_task_runner.h"
 #include "base/strings/string16.h"
 #include "base/strings/utf_string_conversions.h"
+#include "base/thread_task_runner_handle.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/status_icons/status_icon.h"
 #include "chrome/browser/status_icons/status_icon_menu_model.h"
 #include "chrome/browser/status_icons/status_tray.h"
 #include "chrome/common/pref_names.h"
 #include "chrome/grit/chromium_strings.h"
 #include "chrome/grit/generated_resources.h"
 #include "content/public/browser/notification_service.h"
 #include "grit/theme_resources.h"
 #include "ui/base/l10n/l10n_util.h"
@@ skipping 227 matching lines @@
     }
   } else if (message_center()->NotificationCount() == 0) {
     // If there's no existing status icon and we still don't have any
     // notifications to display, nothing needs to be done.
     return;
   }
 
   // See the comments in ash/system/web_notification/web_notification_tray.cc
   // for why PostTask.
   should_update_tray_content_ = true;
-  base::MessageLoop::current()->PostTask(
+  base::ThreadTaskRunnerHandle::Get()->PostTask(
       FROM_HERE,
       base::Bind(&WebNotificationTray::UpdateStatusIcon, AsWeakPtr()));
 }
 
 void WebNotificationTray::OnStatusIconClicked() {
   // TODO(dewittj): It's possible GetNativeScreen is wrong for win-aura.
   gfx::Screen* screen = gfx::Screen::GetNativeScreen();
   mouse_click_point_ = screen->GetCursorScreenPoint();
   message_center_tray_->ToggleMessageCenterBubble();
 }
@@ skipping 150 matching lines @@
   status_icon_menu_ = menu.get();
   status_icon->SetContextMenu(menu.Pass());
 }
 
 MessageCenterWidgetDelegate*
 WebNotificationTray::GetMessageCenterWidgetDelegateForTest() {
   return message_center_delegate_;
 }
 
 }  // namespace message_center