Introduce LaunchParams struct for opening chrome apps.

chrome/browser/extensions/platform_app_browsertest_util.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/extensions/platform_app_browsertest_util.h"
 
 #include "base/command_line.h"
 #include "base/stringprintf.h"
 #include "chrome/browser/extensions/api/tabs/tabs.h"
 #include "chrome/browser/extensions/extension_function_test_utils.h"
@@ skipping 19 matching lines @@
 const Extension* PlatformAppBrowserTest::LoadAndLaunchPlatformApp(
     const char* name) {
   ui_test_utils::WindowedNotificationObserver app_loaded_observer(
       content::NOTIFICATION_LOAD_COMPLETED_MAIN_FRAME,
       content::NotificationService::AllSources());
 
   const Extension* extension = LoadExtension(
       test_data_dir_.AppendASCII("platform_apps").AppendASCII(name));
   EXPECT_TRUE(extension);
 
-  application_launch::OpenApplication(
-      browser()->profile(),
-      extension,
-      extension_misc::LAUNCH_NONE,
-      GURL(),
-      NEW_WINDOW,
-      NULL);
+  application_launch::OpenApplication(application_launch::LaunchParams(
+          browser()->profile(), extension, extension_misc::LAUNCH_NONE,
+          NEW_WINDOW));
 
   app_loaded_observer.Wait();
 
   return extension;
 }
 
 WebContents* PlatformAppBrowserTest::GetFirstShellWindowWebContents() {
   ShellWindowRegistry* app_registry =
       ShellWindowRegistry::Get(browser()->profile());
   ShellWindowRegistry::const_iterator iter;
@@ skipping 57 matching lines @@
       browser()->profile(), extension, GURL(""), params);
 }
 
 void PlatformAppBrowserTest::CloseShellWindow(ShellWindow* window) {
   ui_test_utils::WindowedNotificationObserver destroyed_observer(
       content::NOTIFICATION_WEB_CONTENTS_DESTROYED,
       content::NotificationService::AllSources());
   window->Close();
   destroyed_observer.Wait();
 }