cros: Break BaseScreenHandler into two classes.

chrome/browser/ui/webui/chromeos/login/app_launch_splash_screen_handler.cc

 // Copyright 2013 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/webui/chromeos/login/app_launch_splash_screen_handler.h"
 
 #include "chrome/browser/chromeos/app_mode/kiosk_app_manager.h"
 #include "chrome/browser/chromeos/login/oobe_screen.h"
 #include "chrome/browser/chromeos/login/screens/network_error.h"
 #include "chrome/browser/ui/webui/chromeos/login/oobe_ui.h"
@@ skipping 21 matching lines @@
   return network->name();
 }
 
 }  // namespace
 
 namespace chromeos {
 
 AppLaunchSplashScreenHandler::AppLaunchSplashScreenHandler(
     const scoped_refptr<NetworkStateInformer>& network_state_informer,
     ErrorScreen* error_screen)
-    : network_state_informer_(network_state_informer),
+    : BaseScreenHandler(kScreenId),
+      network_state_informer_(network_state_informer),
       error_screen_(error_screen) {
   set_call_js_prefix(kJsScreenPath);
   network_state_informer_->AddObserver(this);
 }
 
 AppLaunchSplashScreenHandler::~AppLaunchSplashScreenHandler() {
   network_state_informer_->RemoveObserver(this);
 }
 
 void AppLaunchSplashScreenHandler::DeclareLocalizedValues(
@@ skipping 30 matching lines @@
   base::DictionaryValue data;
   data.SetBoolean("shortcutEnabled",
                   !KioskAppManager::Get()->GetDisableBailoutShortcut());
 
   // |data| will take ownership of |app_info|.
   base::DictionaryValue *app_info = new base::DictionaryValue();
   PopulateAppInfo(app_info);
   data.Set("appInfo", app_info);
 
   SetLaunchText(l10n_util::GetStringUTF8(GetProgressMessageFromState(state_)));
-  ShowScreenWithData(OobeScreen::SCREEN_APP_LAUNCH_SPLASH, &data);
+  ShowScreenWithData(kScreenId, &data);
 }
 
 void AppLaunchSplashScreenHandler::RegisterMessages() {
   AddCallback("configureNetwork",
               &AppLaunchSplashScreenHandler::HandleConfigureNetwork);
   AddCallback("cancelAppLaunch",
               &AppLaunchSplashScreenHandler::HandleCancelAppLaunch);
   AddCallback("continueAppLaunch",
               &AppLaunchSplashScreenHandler::HandleContinueAppLaunch);
   AddCallback("networkConfigRequest",
@@ skipping 65 matching lines @@
       break;
     }
     default:
       error_screen_->SetErrorState(NetworkError::ERROR_STATE_OFFLINE,
                                    network_name);
       NOTREACHED();
       break;
   }
 
   if (GetCurrentScreen() != OobeScreen::SCREEN_ERROR_MESSAGE)
-    error_screen_->SetParentScreen(OobeScreen::SCREEN_APP_LAUNCH_SPLASH);
+    error_screen_->SetParentScreen(kScreenId);
   error_screen_->Show();
 }
 
 bool AppLaunchSplashScreenHandler::IsNetworkReady() {
   return network_state_informer_->state() == NetworkStateInformer::ONLINE;
 }
 
 void AppLaunchSplashScreenHandler::OnNetworkReady() {
   // Purposely leave blank because the online case is handled in UpdateState
   // call below.
@@ skipping 82 matching lines @@
   DCHECK(online_state_);
   if (delegate_ && online_state_) {
     network_config_requested_ = false;
     network_config_done_ = true;
     delegate_->OnNetworkConfigRequested(false);
     Show(app_id_);
   }
 }
 
 }  // namespace chromeos