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

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

 // Copyright (c) 2012 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/network_screen.h"
 
 #include <utility>
 
 #include "base/location.h"
 #include "base/logging.h"
@@ skipping 297 matching lines @@
     is_network_subscribed_ = false;
     NetworkHandler::Get()->network_state_handler()->RemoveObserver(
         this, FROM_HERE);
   }
 }
 
 void NetworkScreen::NotifyOnConnection() {
   // TODO(nkostylev): Check network connectivity.
   UnsubscribeNetworkNotification();
   connection_timer_.Stop();
-  Finish(BaseScreenDelegate::NETWORK_CONNECTED);
+  Finish(ScreenExitCode::NETWORK_CONNECTED);
 }
 
 void NetworkScreen::OnConnectionTimeout() {
   StopWaitingForConnection(network_id_);
   if (!network_state_helper_->IsConnected() && view_) {
     // Show error bubble.
     view_->ShowError(l10n_util::GetStringFUTF16(
         IDS_NETWORK_SELECTION_ERROR,
         l10n_util::GetStringUTF16(IDS_SHORT_PRODUCT_OS_NAME), network_id_));
   }
@@ skipping 112 matching lines @@
     observer.OnLanguageListReloaded();
 }
 
 void NetworkScreen::OnSystemTimezoneChanged() {
   std::string current_timezone_id;
   CrosSettings::Get()->GetString(kSystemTimezone, &current_timezone_id);
   GetContextEditor().SetString(kContextKeyTimezone, current_timezone_id);
 }
 
 }  // namespace chromeos