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

chrome/browser/ui/webui/chromeos/login/error_screen_handler.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/ui/webui/chromeos/login/error_screen_handler.h"
 
 #include "base/logging.h"
 #include "base/message_loop/message_loop.h"
 #include "base/time/time.h"
 #include "chrome/browser/chrome_notification_types.h"
 #include "chrome/browser/chromeos/app_mode/app_session_lifetime.h"
 #include "chrome/browser/chromeos/app_mode/certificate_manager_dialog.h"
 #include "chrome/browser/chromeos/login/ui/login_display_host_impl.h"
 #include "chrome/browser/chromeos/login/ui/webui_login_view.h"
 #include "chrome/browser/extensions/component_loader.h"
 #include "chrome/browser/extensions/extension_service.h"
 #include "chrome/browser/profiles/profile_manager.h"
+#include "chrome/browser/ui/extensions/app_launch_params.h"
 #include "chrome/browser/ui/extensions/application_launch.h"
 #include "chrome/browser/ui/webui/chromeos/login/native_window_delegate.h"
 #include "chrome/browser/ui/webui/chromeos/login/network_state_informer.h"
 #include "chrome/common/extensions/extension_constants.h"
 #include "chrome/grit/chromium_strings.h"
 #include "chrome/grit/generated_resources.h"
 #include "chromeos/dbus/dbus_thread_manager.h"
 #include "chromeos/dbus/power_manager_client.h"
 #include "chromeos/dbus/session_manager_client.h"
 #include "chromeos/network/portal_detector/network_portal_detector.h"
 #include "chromeos/network/portal_detector/network_portal_detector_strategy.h"
 #include "components/user_manager/user_manager.h"
 #include "extensions/browser/extension_system.h"
+#include "extensions/common/constants.h"
 #include "grit/browser_resources.h"
 #include "ui/strings/grit/ui_strings.h"
 
 #if !defined(USE_ATHENA)
 #include "chrome/browser/chromeos/login/ui/captive_portal_window_proxy.h"
 #endif
 
 namespace {
 
 const char kJsScreenPath[] = "login.ErrorMessageScreen";
@@ skipping 170 matching lines @@
   ExtensionService* extension_service =
       extensions::ExtensionSystem::Get(profile)->extension_service();
 
   std::string extension_id =
       extension_service->component_loader()->Add(
           IDR_CONNECTIVITY_DIAGNOSTICS_MANIFEST,
           base::FilePath(extension_misc::kConnectivityDiagnosticsKioskPath));
 
   const extensions::Extension* extension = extension_service->
       GetExtensionById(extension_id, true);
-  OpenApplication(AppLaunchParams(profile, extension,
-                                  extensions::LAUNCH_CONTAINER_WINDOW,
-                                  NEW_WINDOW));
+  OpenApplication(
+      AppLaunchParams(profile, extension, extensions::LAUNCH_CONTAINER_WINDOW,
+                      NEW_WINDOW, extensions::SOURCE_CHROME_INTERNAL));
   InitAppSession(profile, extension_id);
 
   user_manager::UserManager::Get()->SessionStarted();
 
   LoginDisplayHostImpl::default_host()->Finalize();
 }
 
 void ErrorScreenHandler::HandleConfigureCerts() {
   CertificateManagerDialog* dialog =
       new CertificateManagerDialog(ProfileManager::GetActiveUserProfile(),
@@ skipping 72 matching lines @@
     params.SetString("network", network_);
     params.SetBoolean("guestSigninAllowed", guest_signin_allowed_);
     params.SetBoolean("offlineLoginAllowed", offline_login_allowed_);
     params.SetBoolean("showConnectingIndicator", show_connecting_indicator_);
     Show(parent_screen_, &params);
     show_on_init_ = false;
   }
 }
 
 }  // namespace chromeos