Revert of Remove all of the CrOS Ozone configs from MB.

chrome/browser/chromeos/login/bluetooth_host_pairing_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 "base/memory/ptr_util.h"
 #include "base/memory/ref_counted.h"
 #include "base/message_loop/message_loop.h"
 #include "base/run_loop.h"
 #include "chrome/browser/chromeos/login/test/oobe_base_test.h"
 #include "chrome/browser/chromeos/login/test/oobe_screen_waiter.h"
@@ skipping 143 matching lines @@
     static_cast<device::FakeInputServiceLinux*>(
         device::InputServiceLinux::GetInstance())
         ->AddDeviceForTesting(info);
   }
 
   scoped_refptr<device::BluetoothAdapter> bluetooth_adapter_;
   std::unique_ptr<TestDelegate> delegate_;
   pairing_chromeos::BluetoothHostPairingController* controller_ = nullptr;
 
   bluez::FakeBluetoothDeviceClient* fake_bluetooth_device_client_ = nullptr;
-  base::MessageLoopForUI message_loop_;
+  base::MessageLoop message_loop_;
 
   DISALLOW_COPY_AND_ASSIGN(BluetoothHostPairingNoInputTest);
 };
 
 // Test that in normal user OOBE login flow for devices lacking input devices,
 // if there is no Bluetooth device connected, the Bluetooth adapter should be
 // disabled when OOBE reaches login screen (which means OOBE has been completed)
 IN_PROC_BROWSER_TEST_F(BluetoothHostPairingNoInputTest,
                        NoBluetoothDeviceConnected) {
   OobeScreenWaiter(OobeScreen::SCREEN_OOBE_HID_DETECTION).Wait();
@@ skipping 76 matching lines @@
 // Test that in normal user OOBE login flow for devices that have input devices,
 // the Bluetooth is disabled by default.
 IN_PROC_BROWSER_TEST_F(BluetoothHostPairingWithInputTest,
                        BluetoothDisableByDefault) {
   OobeScreenWaiter(OobeScreen::SCREEN_OOBE_NETWORK).Wait();
   EXPECT_FALSE(controller());
   EXPECT_FALSE(bluetooth_adapter());
 }
 
 }  // namespace chromeos