Make "source" a required argument of AppLaunchParams and fill in the argument in all call points.

chrome/browser/chromeos/app_mode/startup_app_launcher.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/startup_app_launcher.h"
 
 #include "base/command_line.h"
 #include "base/files/file_path.h"
 #include "base/json/json_file_value_serializer.h"
 #include "base/path_service.h"
 #include "base/time/time.h"
 #include "base/values.h"
 #include "chrome/browser/chrome_notification_types.h"
 #include "chrome/browser/chromeos/app_mode/app_session_lifetime.h"
 #include "chrome/browser/chromeos/app_mode/kiosk_app_manager.h"
 #include "chrome/browser/chromeos/app_mode/kiosk_diagnosis_runner.h"
 #include "chrome/browser/chromeos/login/session/user_session_manager.h"
 #include "chrome/browser/extensions/extension_service.h"
 #include "chrome/browser/extensions/install_tracker.h"
 #include "chrome/browser/extensions/install_tracker_factory.h"
 #include "chrome/browser/extensions/updater/extension_updater.h"
 #include "chrome/browser/lifetime/application_lifetime.h"
 #include "chrome/browser/signin/profile_oauth2_token_service_factory.h"
 #include "chrome/browser/signin/signin_manager_factory.h"
+#include "chrome/browser/ui/extensions/app_launch_params.h"
 #include "chrome/browser/ui/extensions/application_launch.h"
 #include "chrome/common/chrome_paths.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/common/chrome_version_info.h"
 #include "components/crx_file/id_util.h"
 #include "components/signin/core/browser/profile_oauth2_token_service.h"
 #include "components/signin/core/browser/signin_manager.h"
 #include "components/user_manager/user_manager.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/notification_service.h"
 #include "extensions/browser/extension_system.h"
+#include "extensions/common/constants.h"
 #include "extensions/common/extension.h"
 #include "extensions/common/manifest_handlers/kiosk_mode_info.h"
 #include "extensions/common/manifest_handlers/offline_enabled_info.h"
 #include "extensions/common/manifest_url_handlers.h"
 #include "google_apis/gaia/gaia_auth_consumer.h"
 #include "google_apis/gaia/gaia_constants.h"
 #include "net/base/load_flags.h"
 #include "net/url_request/url_fetcher.h"
 #include "net/url_request/url_fetcher_delegate.h"
 #include "net/url_request/url_request_context_getter.h"
@@ skipping 278 matching lines @@
   CHECK(extension);
 
   if (!extensions::KioskModeInfo::IsKioskEnabled(extension)) {
     OnLaunchFailure(KioskAppLaunchError::NOT_KIOSK_ENABLED);
     return;
   }
 
   // Always open the app in a window.
   OpenApplication(AppLaunchParams(profile_, extension,
                                   extensions::LAUNCH_CONTAINER_WINDOW,
-                                  NEW_WINDOW));
+                                  NEW_WINDOW, extensions::SOURCE_KIOSK));
   InitAppSession(profile_, app_id_);
 
   user_manager::UserManager::Get()->SessionStarted();
 
   content::NotificationService::current()->Notify(
       chrome::NOTIFICATION_KIOSK_APP_LAUNCHED,
       content::NotificationService::AllSources(),
       content::NotificationService::NoDetails());
 
   if (diagnostic_mode_)
@@ skipping 43 matching lines @@
   UpdateAppData();
   delegate_->OnReadyToLaunch();
 }
 
 void StartupAppLauncher::UpdateAppData() {
   KioskAppManager::Get()->ClearAppData(app_id_);
   KioskAppManager::Get()->UpdateAppDataFromProfile(app_id_, profile_, NULL);
 }
 
 }   // namespace chromeos