kiosk: Fix kiosk session restart

chrome/browser/chromeos/app_mode/kiosk_app_manager.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/app_mode/kiosk_app_manager.h"
 
 #include <stddef.h>
 #include <utility>
 
 #include "base/barrier_closure.h"
@@ skipping 408 matching lines @@
           app_data.app_id() == currently_auto_launched_with_zero_delay_app_));
     }
   }
 }
 
 bool KioskAppManager::GetApp(const std::string& app_id, App* app) const {
   const KioskAppData* data = GetAppData(app_id);
   if (!data)
     return false;
 
-  *app = App(*data, external_cache_->IsExtensionPending(app_id),
-             app_id == currently_auto_launched_with_zero_delay_app_);
+  if (app) {
+    *app = App(*data, external_cache_->IsExtensionPending(app_id),
+               app_id == currently_auto_launched_with_zero_delay_app_);
+  }
   return true;
 }
 
+bool KioskAppManager::GetAppByAccountId(const AccountId& account_id,
+                                        App* app) const {
+  for (const auto& app_data : apps_) {
+    if (app_data->account_id() == account_id) {
+      if (app) {
+        const std::string& app_id = app_data->app_id();
+        *app = App(*app_data, external_cache_->IsExtensionPending(app_id),
+                   app_id == currently_auto_launched_with_zero_delay_app_);
+      }
+      return true;
+    }
+  }
+  return false;
+}
+
 bool KioskAppManager::GetDisableBailoutShortcut() const {
   bool enable;
   if (CrosSettings::Get()->GetBoolean(
           kAccountsPrefDeviceLocalAccountAutoLoginBailoutEnabled, &enable)) {
     return !enable;
   }
 
   return false;
 }
 
@@ skipping 363 matching lines @@
 base::TimeDelta KioskAppManager::GetAutoLaunchDelay() const {
   int delay;
   if (!CrosSettings::Get()->GetInteger(
           kAccountsPrefDeviceLocalAccountAutoLoginDelay, &delay)) {
     return base::TimeDelta();  // Default delay is 0ms.
   }
   return base::TimeDelta::FromMilliseconds(delay);
 }
 
 }  // namespace chromeos