Remove linked_ptr usage in //base.

chrome/browser/printing/cloud_print/privet_notifications.h

 // Copyright 2013 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 CHROME_BROWSER_PRINTING_CLOUD_PRINT_PRIVET_NOTIFICATIONS_H_
 #define CHROME_BROWSER_PRINTING_CLOUD_PRINT_PRIVET_NOTIFICATIONS_H_
 
 #include <map>
 #include <string>
 
+#include "base/memory/scoped_ptr.h"
 #include "chrome/browser/notifications/notification_delegate.h"
 #include "chrome/browser/printing/cloud_print/privet_device_lister.h"
 #include "chrome/browser/printing/cloud_print/privet_http.h"
 #include "components/keyed_service/core/keyed_service.h"
 #include "components/prefs/pref_member.h"
 
 class NotificationUIManager;
 
 namespace content {
 class BrowserContext;
@@ skipping 47 matching lines @@
     DeviceContext();
     ~DeviceContext();
 
     bool notification_may_be_active;
     bool registered;
     scoped_ptr<PrivetJSONOperation> info_operation;
     scoped_ptr<PrivetHTTPResolution> privet_http_resolution;
     scoped_ptr<PrivetHTTPClient> privet_http;
   };
 
-  typedef std::map<std::string, linked_ptr<DeviceContext> > DeviceContextMap;
+  using DeviceContextMap = std::map<std::string, scoped_ptr<DeviceContext>>;
 
   void CreateInfoOperation(scoped_ptr<PrivetHTTPClient> http_client);
   void OnPrivetInfoDone(DeviceContext* device,
                         const base::DictionaryValue* json_value);
 
 
   void NotifyDeviceRemoved();
 
   Delegate* delegate_;
   scoped_ptr<PrivetDeviceLister> device_lister_;
@@ skipping 56 matching lines @@
   void DisableNotifications();
 
   ~PrivetNotificationDelegate() override;
 
   content::BrowserContext* profile_;
 };
 
 }  // namespace cloud_print
 
 #endif  // CHROME_BROWSER_PRINTING_CLOUD_PRINT_PRIVET_NOTIFICATIONS_H_