cros: Move BaseScreenDelegate::ExitCodes into separate file, ScreenExitCode.

chrome/browser/chromeos/login/screens/hid_detection_screen.cc

 // Copyright 2014 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/chromeos/login/screens/hid_detection_screen.h"
 
 #include <utility>
 
 #include "base/bind.h"
 #include "base/metrics/histogram_macros.h"
@@ skipping 98 matching lines @@
   const bool adapter_is_powered =
       adapter_.get() && adapter_->IsPresent() && adapter_->IsPowered();
   const bool need_switching_off =
       adapter_initially_powered_ && !(*adapter_initially_powered_);
   if (adapter_is_powered && need_switching_off) {
     input_service_proxy_.GetDevices(
         base::Bind(&HIDDetectionScreen::OnGetInputDevicesForPowerOff,
                    weak_ptr_factory_.GetWeakPtr()));
   }
 
-  Finish(BaseScreenDelegate::HID_DETECTION_COMPLETED);
+  Finish(ScreenExitCode::HID_DETECTION_COMPLETED);
 }
 
 void HIDDetectionScreen::OnViewDestroyed(HIDDetectionView* view) {
   if (view_ == view)
     view_ = nullptr;
 }
 
 void HIDDetectionScreen::CheckIsScreenRequired(
       const base::Callback<void(bool)>& on_check_done) {
   input_service_proxy_.GetDevices(
@@ skipping 432 matching lines @@
 scoped_refptr<device::BluetoothAdapter>
 HIDDetectionScreen::GetAdapterForTesting() {
   return adapter_;
 }
 
 void HIDDetectionScreen::SetAdapterInitialPoweredForTesting(bool powered) {
   adapter_initially_powered_.reset(new bool(powered));
 }
 
 }  // namespace chromeos