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

chrome/browser/signin/easy_unlock_service_regular.cc

 // Copyright 2014 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/signin/easy_unlock_service_regular.h"
 
 #include "base/bind.h"
 #include "base/logging.h"
 #include "base/metrics/field_trial.h"
 #include "base/prefs/pref_service.h"
 #include "base/prefs/scoped_user_pref_update.h"
 #include "base/values.h"
 #include "chrome/browser/extensions/extension_service.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/signin/easy_unlock_toggle_flow.h"
 #include "chrome/browser/signin/screenlock_bridge.h"
+#include "chrome/browser/ui/extensions/app_launch_params.h"
 #include "chrome/browser/ui/extensions/application_launch.h"
 #include "chrome/common/extensions/extension_constants.h"
 #include "chrome/common/pref_names.h"
 #include "components/pref_registry/pref_registry_syncable.h"
 #include "content/public/browser/browser_thread.h"
 #include "extensions/browser/extension_system.h"
+#include "extensions/common/constants.h"
 
 #if defined(OS_CHROMEOS)
 #include "apps/app_lifetime_monitor_factory.h"
 #include "base/thread_task_runner_handle.h"
 #include "chrome/browser/chromeos/login/easy_unlock/easy_unlock_key_manager.h"
 #include "chrome/browser/chromeos/login/easy_unlock/easy_unlock_reauth.h"
 #include "chrome/browser/chromeos/login/session/user_session_manager.h"
 #include "chrome/browser/chromeos/profiles/profile_helper.h"
 #include "components/user_manager/user_manager.h"
 #endif
@@ skipping 73 matching lines @@
   CheckCryptohomeKeysAndMaybeHardlock();
 }
 #endif
 
 void EasyUnlockServiceRegular::OpenSetupApp() {
   ExtensionService* service =
       extensions::ExtensionSystem::Get(profile())->extension_service();
   const extensions::Extension* extension =
       service->GetExtensionById(extension_misc::kEasyUnlockAppId, false);
 
-  OpenApplication(AppLaunchParams(
-      profile(), extension, extensions::LAUNCH_CONTAINER_WINDOW, NEW_WINDOW));
+  OpenApplication(
+      AppLaunchParams(profile(), extension, extensions::LAUNCH_CONTAINER_WINDOW,
+                      NEW_WINDOW, extensions::SOURCE_CHROME_INTERNAL));
 }
 
 const base::DictionaryValue* EasyUnlockServiceRegular::GetPermitAccess() const {
   const base::DictionaryValue* pairing_dict =
       profile()->GetPrefs()->GetDictionary(prefs::kEasyUnlockPairing);
   const base::DictionaryValue* permit_dict = NULL;
   if (pairing_dict &&
       pairing_dict->GetDictionary(kKeyPermitAccess, &permit_dict))
     return permit_dict;
 
@@ skipping 178 matching lines @@
 
   if (!success) {
     SetTurnOffFlowStatus(FAIL);
     return;
   }
 
   ClearRemoteDevices();
   SetTurnOffFlowStatus(IDLE);
   ReloadApp();
 }