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

ios/web/shell/shell_url_request_context_getter.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 IOS_WEB_SHELL_SHELL_URL_REQUEST_CONTEXT_GETTER_H_
 #define IOS_WEB_SHELL_SHELL_URL_REQUEST_CONTEXT_GETTER_H_
 
+#include <memory>
+
 #include "base/compiler_specific.h"
 #include "base/files/file_path.h"
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
-#include "base/memory/scoped_ptr.h"
 #include "base/single_thread_task_runner.h"
 #include "net/url_request/url_request_context_getter.h"
 
 namespace net {
 class HostResolver;
 class MappedHostResolver;
 class NetworkDelegate;
 class NetLog;
 class ProxyConfigService;
 class TransportSecurityPersister;
@@ skipping 17 matching lines @@
       const override;
 
  protected:
   ~ShellURLRequestContextGetter() override;
 
  private:
   base::FilePath base_path_;
   scoped_refptr<base::SingleThreadTaskRunner> file_task_runner_;
   scoped_refptr<base::SingleThreadTaskRunner> network_task_runner_;
   scoped_refptr<base::SingleThreadTaskRunner> cache_task_runner_;
-  scoped_ptr<net::ProxyConfigService> proxy_config_service_;
-  scoped_ptr<net::NetworkDelegate> network_delegate_;
-  scoped_ptr<net::URLRequestContextStorage> storage_;
-  scoped_ptr<net::URLRequestContext> url_request_context_;
-  scoped_ptr<net::NetLog> net_log_;
-  scoped_ptr<net::TransportSecurityPersister> transport_security_persister_;
+  std::unique_ptr<net::ProxyConfigService> proxy_config_service_;
+  std::unique_ptr<net::NetworkDelegate> network_delegate_;
+  std::unique_ptr<net::URLRequestContextStorage> storage_;
+  std::unique_ptr<net::URLRequestContext> url_request_context_;
+  std::unique_ptr<net::NetLog> net_log_;
+  std::unique_ptr<net::TransportSecurityPersister>
+      transport_security_persister_;
 
   DISALLOW_COPY_AND_ASSIGN(ShellURLRequestContextGetter);
 };
 
 }  // namespace web
 
 #endif  // IOS_WEB_SHELL_SHELL_URL_REQUEST_CONTEXT_GETTER_H_