cros: Replace BrowserThread::FILE in InputServiceProxy

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 49 matching lines @@
  public:
   void OnConnectSuccess() { message_loop_.QuitWhenIdle(); }
   void OnConnectFailed(device::BluetoothDevice::ConnectErrorCode error) {
     message_loop_.QuitWhenIdle();
   }
 
  protected:
   using InputDeviceInfo = device::InputServiceLinux::InputDeviceInfo;
 
   BluetoothHostPairingNoInputTest() {
-    InputServiceProxy::SetThreadIdForTesting(content::BrowserThread::UI);
+    InputServiceProxy::SetUseUIThreadForTesting(true);
     device::InputServiceLinux::SetForTesting(
         base::MakeUnique<device::FakeInputServiceLinux>());
 
     // Set up the fake Bluetooth environment.
     std::unique_ptr<bluez::BluezDBusManagerSetter> bluez_dbus_setter =
         bluez::BluezDBusManager::GetSetterForTesting();
     bluez_dbus_setter->SetBluetoothAdapterClient(
         base::MakeUnique<bluez::FakeBluetoothAdapterClient>());
     bluez_dbus_setter->SetBluetoothDeviceClient(
         base::MakeUnique<bluez::FakeBluetoothDeviceClient>());
@@ skipping 170 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