Introduce LaunchParams struct for opening chrome apps.

chrome/browser/automation/testing_automation_provider.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/automation/testing_automation_provider.h"
 
 #include <map>
 #include <set>
 #include <string>
 #include <vector>
@@ skipping 5731 matching lines @@
   WebContents* old_contents = chrome::GetActiveWebContents(browser);
   if (!old_contents) {
     AutomationJSONReply(this, reply_message).SendError(
         "Cannot identify selected tab contents.");
     return;
   }
 
   // This observer will delete itself.
   new AppLaunchObserver(&old_contents->GetController(), this, reply_message,
                         launch_container);
-  application_launch::OpenApplication(profile(), extension, launch_container,
-                                      GURL(), CURRENT_TAB, NULL);
+  application_launch::OpenApplication(application_launch::LaunchParams(
+          profile(), extension, launch_container, CURRENT_TAB));
 }
 
 // Sample JSON input: { "command": "SetAppLaunchType",
 //                      "id": "ahfgeienlihckogmohjhadlkjgocpleb",
 //                      "launch_type": "pinned" }
 // Sample JSON output: {}
 void TestingAutomationProvider::SetAppLaunchType(
     Browser* browser,
     DictionaryValue* args,
     IPC::Message* reply_message) {
@@ skipping 1004 matching lines @@
 void TestingAutomationProvider::OnRemoveProvider() {
   if (g_browser_process)
     g_browser_process->GetAutomationProviderList()->RemoveProvider(this);
 }
 
 void TestingAutomationProvider::EnsureTabSelected(Browser* browser,
                                                   WebContents* tab) {
   if (chrome::GetActiveWebContents(browser) != tab)
     chrome::ActivateTabAt(browser, chrome::GetIndexOfTab(browser, tab), true);
 }