Convert app_launch_index and page_index from int to StringOrdinal.

chrome/browser/extensions/extension_browsertest.cc

 // Copyright (c) 2011 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_browsertest.h"
 
 #include <vector>
 
 #include "base/command_line.h"
 #include "base/file_path.h"
@@ skipping 74 matching lines @@
     }
   }
   if (!extension)
     return NULL;
 
   const std::string extension_id = extension->id();
 
   // The call to OnExtensionInstalled ensures the other extension prefs
   // are set up with the defaults.
   service->extension_prefs()->OnExtensionInstalled(
-      extension, Extension::ENABLED, false, 0);
+      extension, Extension::ENABLED, false,
+      StringOrdinal::CreateInitialOrdinal());
 
   // Toggling incognito or file access will reload the extension, so wait for
   // the reload and grab the new extension instance. The default state is
   // incognito disabled and file access enabled, so we don't wait in those
   // cases.
   {
     ui_test_utils::WindowedNotificationObserver load_signal(
         chrome::NOTIFICATION_EXTENSION_LOADED,
         content::Source<Profile>(browser()->profile()));
     CHECK(!service->IsIncognitoEnabled(extension_id));
@@ skipping 387 matching lines @@
         MessageLoopForUI::current()->Quit();
       }
       break;
     }
 
     default:
       NOTREACHED();
       break;
   }
 }