[Extensions] Convert APIs to use movable types [7]

chrome/browser/extensions/api/log_private/syslog_parser.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_EXTENSIONS_API_LOG_PRIVATE_SYSLOG_PARSER_H_
 #define CHROME_BROWSER_EXTENSIONS_API_LOG_PRIVATE_SYSLOG_PARSER_H_
 
 #include <string>
 #include <vector>
 
 #include "base/macros.h"
-#include "base/memory/linked_ptr.h"
 #include "chrome/browser/extensions/api/log_private/log_parser.h"
 #include "chrome/common/extensions/api/log_private.h"
 
 namespace extensions {
 
 // A parser that parses syslog into LogEntry objects.
 class SyslogParser : public LogParser {
  public:
   SyslogParser();
   ~SyslogParser() override;
 
  protected:
   // Parses one line log text into a LogEntry object.
   Error ParseEntry(const std::string& input,
-                   std::vector<linked_ptr<api::log_private::LogEntry>>* output,
+                   std::vector<api::log_private::LogEntry>* output,
                    FilterHandler* filter_handler) const override;
 
  private:
   // Parses time token and get time in milliseconds.
   Error ParseTime(const std::string& input, double* output) const;
   // Parses process token and get process name and ID.
   Error ParseProcess(const std::string& input,
                      api::log_private::LogEntry* entry) const;
   // Parses level token and get log level.
   void ParseLevel(const std::string& input,
                   api::log_private::LogEntry* entry) const;
 
   DISALLOW_COPY_AND_ASSIGN(SyslogParser);
 };
 
 }  // namespace extensions
 
 #endif  // CHROME_BROWSER_EXTENSIONS_API_LOG_PRIVATE_SYSLOG_PARSER_H_