chromeos: Introduce ash::SystemTrayTestApi

chrome/browser/chromeos/shutdown_policy_browsertest.cc

 // Copyright 2015 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 <memory>
 #include <string>
 
 #include "ash/login_status.h"
 #include "ash/shell.h"
 #include "ash/strings/grit/ash_strings.h"
 #include "ash/system/tiles/tiles_default_view.h"
 #include "ash/system/tiles/tray_tiles.h"
 #include "ash/system/tray/system_tray.h"
+#include "ash/system/tray/system_tray_test_api.h"
 #include "base/command_line.h"
 #include "base/location.h"
 #include "base/macros.h"
 #include "base/run_loop.h"
 #include "base/single_thread_task_runner.h"
 #include "base/strings/stringprintf.h"
 #include "base/threading/thread_task_runner_handle.h"
 #include "chrome/browser/chrome_notification_types.h"
 #include "chrome/browser/chromeos/login/lock/screen_locker.h"
 #include "chrome/browser/chromeos/login/lock/screen_locker_tester.h"
@@ skipping 126 matching lines @@
   }
 
   // Closes the system tray menu. This deletes the tray views.
   void CloseSystemTrayMenu() {
     ash::Shell::Get()->GetPrimarySystemTray()->CloseSystemBubble();
   }
 
   // Gets the shutdown button view.
   const views::View* GetShutdownButton() {
     ash::SystemTray* tray = ash::Shell::Get()->GetPrimarySystemTray();
-    return tray->GetTrayTilesForTesting()
+    return ash::SystemTrayTestApi(tray)
+        .tray_tiles()
         ->GetDefaultViewForTesting()
         ->GetShutdownButtonViewForTest();
   }
 
   // Returns true if the shutdown button's tooltip matches the text of the
   // resource |message_id|.
   bool HasShutdownButtonTooltip(int message_id) {
     const views::View* button = GetShutdownButton();
     base::string16 actual_tooltip;
     button->GetTooltipText(gfx::Point(), &actual_tooltip);
@@ skipping 163 matching lines @@
   PrepareAndRunScript("restart-header-bar-item", false);
   PrepareAndRunScript("shutdown-header-bar-item", true);
 
   UpdateRebootOnShutdownPolicy(false);
   RefreshDevicePolicy();
   PrepareAndRunScript("restart-header-bar-item", true);
   PrepareAndRunScript("shutdown-header-bar-item", false);
 }
 
 }  // namespace chromeos