When restoring kiosk app after crash, skip app installation steps. Installed apps should already be…

chrome/browser/chromeos/login/app_launch_controller.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/chromeos/login/app_launch_controller.h"
 
 #include "base/bind.h"
 #include "base/callback.h"
 #include "base/files/file_path.h"
 #include "base/json/json_file_value_serializer.h"
@@ skipping 396 matching lines @@
       this, &AppLaunchController::OnNetworkWaitTimedout);
 
   app_launch_splash_screen_actor_->UpdateAppLaunchState(
       AppLaunchSplashScreenActor::APP_LAUNCH_STATE_PREPARING_NETWORK);
 }
 
 bool AppLaunchController::IsNetworkReady() {
   return app_launch_splash_screen_actor_->IsNetworkReady();
 }
 
+bool AppLaunchController::ShouldSkipAppInstallation() {
+  return false;
+}
+
 void AppLaunchController::OnLoadingOAuthFile() {
   app_launch_splash_screen_actor_->UpdateAppLaunchState(
       AppLaunchSplashScreenActor::APP_LAUNCH_STATE_LOADING_AUTH_FILE);
 }
 
 void AppLaunchController::OnInitializingTokenService() {
   app_launch_splash_screen_actor_->UpdateAppLaunchState(
       AppLaunchSplashScreenActor::APP_LAUNCH_STATE_LOADING_TOKEN_SERVICE);
 }
 
@@ skipping 65 matching lines @@
   KioskAppLaunchError::Save(error);
   chrome::AttemptUserExit();
   CleanUp();
 }
 
 bool AppLaunchController::IsShowingNetworkConfigScreen() {
   return network_config_requested_;
 }
 
 }   // namespace chromeos