chromeos: Introduce ash::SystemTrayTestApi

chrome/browser/ui/ash/networking_config_delegate_chromeos_browsertest.cc

 // Copyright 2016 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/ash/networking_config_delegate_chromeos.h"
 
 #include "ash/login_status.h"
 #include "ash/root_window_controller.h"
 #include "ash/shell.h"
 #include "ash/strings/grit/ash_strings.h"
 #include "ash/system/network/network_list.h"
 #include "ash/system/network/tray_network.h"
 #include "ash/system/tray/system_tray.h"
+#include "ash/system/tray/system_tray_test_api.h"
 #include "base/macros.h"
 #include "base/strings/string16.h"
 #include "base/strings/utf_string_conversions.h"
 #include "chrome/browser/extensions/extension_browsertest.h"
 #include "content/public/test/test_utils.h"
 #include "extensions/test/extension_test_message_listener.h"
 #include "ui/base/l10n/l10n_util.h"
 #include "ui/views/view.h"
 
 namespace {
@@ skipping 27 matching lines @@
   ASSERT_TRUE(listener.WaitUntilSatisfied());
 
   // Open the system tray menu.
   ash::SystemTray* system_tray =
       ash::Shell::GetPrimaryRootWindowController()->GetSystemTray();
   system_tray->ShowDefaultView(ash::BUBBLE_CREATE_NEW);
   content::RunAllPendingInMessageLoop();
   ASSERT_TRUE(system_tray->HasSystemBubble());
 
   // Show the network detail view.
-  ash::TrayNetwork* tray_network = system_tray->GetTrayNetworkForTesting();
+  ash::TrayNetwork* tray_network =
+      ash::SystemTrayTestApi(system_tray).tray_network();
   system_tray->ShowDetailedView(tray_network, 0, false, ash::BUBBLE_CREATE_NEW);
   content::RunAllPendingInMessageLoop();
   ASSERT_TRUE(tray_network->detailed());
 
   // Look for an item with a tooltip saying it is an extension-controlled
   // network. Searching all children allows this test to avoid knowing about the
   // specifics of the view hierarchy.
   base::string16 expected_tooltip = l10n_util::GetStringFUTF16(
       IDS_ASH_STATUS_TRAY_EXTENSION_CONTROLLED_WIFI,
       base::UTF8ToUTF16("NetworkingConfigDelegate test extension"));
   EXPECT_TRUE(HasChildWithTooltip(tray_network->detailed(), expected_tooltip));
 
   // Close the system tray menu.
   system_tray->CloseSystemBubble();
   content::RunAllPendingInMessageLoop();
 }
 
 }  // namespace