Group the different permission related methods in the content api.

content/shell/browser/layout_test/layout_test_notification_manager.h

 // Copyright 2014 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.
 
 #ifndef CONTENT_SHELL_BROWSER_LAYOUT_TEST_LAYOUT_TEST_NOTIFICATION_MANAGER_H_
 #define CONTENT_SHELL_BROWSER_LAYOUT_TEST_LAYOUT_TEST_NOTIFICATION_MANAGER_H_
 
 #include <map>
 
 #include "base/callback.h"
 #include "third_party/WebKit/public/platform/WebNotificationPermission.h"
 #include "url/gurl.h"
 
 namespace content {
 
 // Responsible for tracking active notifications and allowed origins for the
 // Web Notification API when running layout tests. The methods in this class
 // should only be used on the IO thread.
 class LayoutTestNotificationManager {
  public:
   LayoutTestNotificationManager();
   ~LayoutTestNotificationManager();
 
   // Checks whether |origin| has permission to display notifications in tests.
   blink::WebNotificationPermission CheckPermission(
       const GURL& origin);
 
   // Requests permission for |origin| to display notifications in layout tests.
-  void RequestPermission(
-      const GURL& origin,
-      const base::Callback<void(blink::WebNotificationPermission)>& callback);
+  void RequestPermission(const GURL& origin,
+                         const base::Callback<void(bool)>& callback);
 
   // Sets the permission to display notifications for |origin| to |permission|.
   void SetPermission(const GURL& origin,
                      blink::WebNotificationPermission permission);
 
   // Clears the currently granted permissions.
   void ClearPermissions();
 
  private:
   typedef std::map<GURL, blink::WebNotificationPermission>
       NotificationPermissionMap;
   NotificationPermissionMap permission_map_;
 
   DISALLOW_COPY_AND_ASSIGN(LayoutTestNotificationManager);
 };
 
 }  // content
 
 #endif  // CONTENT_SHELL_BROWSER_LAYOUT_TEST_LAYOUT_TEST_NOTIFICATION_MANAGER_H_