Cleanup handoff_manager.h header.

components/handoff/handoff_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 COMPONENTS_HANDOFF_HANDOFF_MANAGER_H_
 #define COMPONENTS_HANDOFF_HANDOFF_MANAGER_H_
 
 #include <Foundation/Foundation.h>
 
-#include "base/mac/objc_property_releaser.h"
 #include "build/build_config.h"
 #include "components/handoff/handoff_utility.h"
 #include "url/gurl.h"
 
 @class NSUserActivity;
 
 #if defined(OS_IOS)
 namespace user_prefs {
 class PrefRegistrySyncable;
 }  // namespace user_prefs
 #endif
 
 // Maintains all of the state relevant to the Handoff feature. Allows Chrome to
 // hand off the current active URL to other devices.
-@interface HandoffManager : NSObject {
- @private
-  base::mac::ObjCPropertyReleaser _propertyReleaser_HandoffManager;
-
-  GURL _activeURL;
-  NSUserActivity* _userActivity;
-  handoff::Origin _origin;
-}
+@interface HandoffManager : NSObject
 
 #if defined(OS_IOS)
 // Registers preferences related to Handoff.
 + (void)registerBrowserStatePrefs:(user_prefs::PrefRegistrySyncable*)registry;
 #endif
 
 // The active URL is defined as the URL of the most recently accessed tab. This
 // method should be called any time the active URL might have changed. This
 // method is idempotent.
 - (void)updateActiveURL:(const GURL&)url;
 
 @end
 
 @interface HandoffManager (TestingOnly)
 - (NSURL*)userActivityWebpageURL;
 @end
 
 #endif  // COMPONENTS_HANDOFF_HANDOFF_MANAGER_H_