Introduce LaunchParams struct for opening chrome apps.

chrome/browser/extensions/extension_apitest.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/extension_apitest.h"
 
 #include "base/string_util.h"
 #include "base/stringprintf.h"
 #include "chrome/browser/extensions/extension_service.h"
 #include "chrome/browser/extensions/extension_test_api.h"
@@ skipping 192 matching lines @@
 
       url = extension->GetResourceURL(page_url);
     }
 
     if (use_incognito)
       ui_test_utils::OpenURLOffTheRecord(browser()->profile(), url);
     else
       ui_test_utils::NavigateToURL(browser(), url);
 
   } else if (launch_platform_app) {
-    CommandLine* command_line = CommandLine::ForCurrentProcess();
-    application_launch::OpenApplication(
-        browser()->profile(),
-        extension,
-        extension_misc::LAUNCH_NONE,
-        GURL(),
-        NEW_WINDOW,
-        command_line);
+    application_launch::LaunchParams params(browser()->profile(), extension,
+                                            extension_misc::LAUNCH_NONE,
+                                            NEW_WINDOW);
+    params.command_line = CommandLine::ForCurrentProcess();
+    application_launch::OpenApplication(params);
   }
 
   if (!catcher.GetNextResult()) {
     message_ = catcher.message();
     return false;
   } else {
     return true;
   }
 }
 
@@ skipping 61 matching lines @@
 
 void PlatformAppApiTest::SetUpCommandLine(CommandLine* command_line) {
   ExtensionApiTest::SetUpCommandLine(command_line);
 
   // If someone is using this class, we're going to insist on management of the
   // relevant flags. If these flags are already set, die.
   DCHECK(!command_line->HasSwitch(switches::kEnableExperimentalExtensionApis));
 
   command_line->AppendSwitch(switches::kEnableExperimentalExtensionApis);
 }