Move each permission classes to its own files in extensions/permissions

chrome/browser/background/background_application_list_model_unittest.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.
 
 // TODO(rickcam): Bug 73183: Add unit tests for image loading
 
 #include <cstdlib>
 #include <set>
 
 #include "chrome/browser/background/background_application_list_model.h"
@@ skipping 80 matching lines @@
 
 void AddBackgroundPermission(ExtensionService* service,
                              Extension* extension) {
   if (BackgroundApplicationListModel::IsBackgroundApp(*extension,
                                                       service->profile())) {
     return;
   }
 
   static scoped_refptr<Extension> temporary =
       CreateExtension(GenerateUniqueExtensionName(), true);
-  scoped_refptr<const ExtensionPermissionSet> permissions =
+  scoped_refptr<const extensions::PermissionSet> permissions =
       temporary->GetActivePermissions();
   extensions::PermissionsUpdater(service->profile()).AddPermissions(
       extension, permissions.get());
 }
 
 void RemoveBackgroundPermission(ExtensionService* service,
                                 Extension* extension) {
   if (!BackgroundApplicationListModel::IsBackgroundApp(*extension,
                                                        service->profile())) {
     return;
@@ skipping 240 matching lines @@
         break;
       case 2:
         TogglePermission(service, &extensions, model.get(), &expected, &count);
         break;
       default:
         NOTREACHED();
         break;
     }
   }
 }