Convert //content from scoped_ptr to std::unique_ptr

content/shell/browser/shell_net_log.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 CONTENT_SHELL_BROWSER_SHELL_NET_LOG_H_
 #define CONTENT_SHELL_BROWSER_SHELL_NET_LOG_H_
 
+#include <memory>
 #include <string>
 
 #include "base/macros.h"
-#include "base/memory/scoped_ptr.h"
 #include "net/log/write_to_file_net_log_observer.h"
 
 namespace content {
 
 class ShellNetLog : public net::NetLog {
  public:
   explicit ShellNetLog(const std::string& app_name);
   ~ShellNetLog() override;
 
  private:
-  scoped_ptr<net::WriteToFileNetLogObserver> write_to_file_observer_;
+  std::unique_ptr<net::WriteToFileNetLogObserver> write_to_file_observer_;
 
   DISALLOW_COPY_AND_ASSIGN(ShellNetLog);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_SHELL_BROWSER_SHELL_NET_LOG_H_