Convert //url to use std::unique_ptr

net/http/http_auth_preferences.h

 // Copyright 2015 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 NET_HTTP_HTTP_AUTH_PREFERENCES_H_
 #define NET_HTTP_HTTP_AUTH_PREFERENCES_H_
 
+#include <memory>
 #include <set>
 #include <string>
 #include <vector>
 
 #include "base/macros.h"
 #include "net/base/net_export.h"
 #include "url/gurl.h"
 
 namespace net {
 
@@ skipping 51 matching lines @@
 
 #if defined(OS_ANDROID)
   std::string auth_android_negotiate_account_type_;
 #endif
 #if defined(OS_POSIX) && !defined(OS_ANDROID)
   // GSSAPI library name cannot change after startup, since changing it
   // requires unloading the existing GSSAPI library, which could cause all
   // sorts of problems for, for example, active Negotiate transactions.
   const std::string gssapi_library_name_;
 #endif
-  scoped_ptr<URLSecurityManager> security_manager_;
+  std::unique_ptr<URLSecurityManager> security_manager_;
   DISALLOW_COPY_AND_ASSIGN(HttpAuthPreferences);
 };
 
 }  // namespace net
 #endif  // NET_HTTP_HTTP_AUTH_PREFERENCES_H_