Convert //ios from scoped_ptr to std::unique_ptr.

ios/net/clients/crn_network_client_protocol.h

 // Copyright 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.
 
 #ifndef IOS_NET_CLIENTS_CRN_NETWORK_CLIENT_PROTOCOL_H_
 #define IOS_NET_CLIENTS_CRN_NETWORK_CLIENT_PROTOCOL_H_
 
 #import <Foundation/Foundation.h>
 
+#include <memory>
+
 #include "base/callback_forward.h"
-#include "base/memory/scoped_ptr.h"
 #include "base/strings/string_util.h"
 
 namespace net {
 class AuthChallengeInfo;
 class URLRequest;
 }  // namespace net
 
 namespace network_client {
 typedef base::Callback<void(bool auth_ok,
                             const base::string16& username,
@@ skipping 55 matching lines @@
 - (void)cancelAuthRequest;
 
 // If |underlyingClient| is not nil, the protocol is responsible for calling it.
 // If the protocol is only listening for network events, it should simply
 // forward all the calls to the underlying client.
 // Called from the IO thread.
 - (void)setUnderlyingClient:(id<CRNNetworkClientProtocol>)underlyingClient;
 @end
 
 #endif  // IOS_NET_CLIENTS_CRN_NETWORK_CLIENT_PROTOCOL_H_