Introduce LaunchParams struct for opening chrome apps.

chrome/browser/background/background_mode_manager.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 <algorithm>
 #include <string>
 #include <vector>
 
 #include "base/base_paths.h"
 #include "base/bind.h"
@@ skipping 246 matching lines @@
 }
 
 // static
 void BackgroundModeManager::LaunchBackgroundApplication(
     Profile* profile,
     const Extension* extension) {
   ExtensionService* service = profile->GetExtensionService();
   extension_misc::LaunchContainer launch_container =
       service->extension_prefs()->GetLaunchContainer(
           extension, extensions::ExtensionPrefs::LAUNCH_REGULAR);
-  application_launch::OpenApplication(profile, extension, launch_container,
-                                      GURL(), NEW_FOREGROUND_TAB, NULL);
+  application_launch::OpenApplication(application_launch::LaunchParams(
+          profile, extension, launch_container, NEW_FOREGROUND_TAB));
 }
 
 bool BackgroundModeManager::IsBackgroundModeActiveForTest() {
   return in_background_mode_;
 }
 
 int BackgroundModeManager::NumberOfBackgroundModeData() {
   return background_mode_data_.size();
 }
 
@@ skipping 487 matching lines @@
     }
   }
   return profile_it;
 }
 
 bool BackgroundModeManager::IsBackgroundModePrefEnabled() const {
   PrefService* service = g_browser_process->local_state();
   DCHECK(service);
   return service->GetBoolean(prefs::kBackgroundModeEnabled);
 }