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

chrome/browser/extensions/api/log_private/log_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_LOG_PARSER_H_
 #define CHROME_BROWSER_EXTENSIONS_API_LOG_PRIVATE_LOG_PARSER_H_
 
 #include <string>
 #include <vector>
 
 #include "base/macros.h"
-#include "base/memory/linked_ptr.h"
 #include "chrome/browser/extensions/api/log_private/filter_handler.h"
 #include "chrome/common/extensions/api/log_private.h"
 
 namespace extensions {
 
 // This is a abstract class of parsers for different logs.
 // All the specific parsers inherit from this class.
 class LogParser {
  public:
   enum Error {
     SUCCESS = 0,
     PARSE_ERROR = -1,
     SERIALIZE_ERROR = -2,
     TOKENIZE_ERROR = -3
   };
 
   virtual ~LogParser();
   // Parses log text into multiple LogEntry objects.
-  void Parse(
-      const std::string& input,
-      std::vector<linked_ptr<api::log_private::LogEntry> >* output,
-      FilterHandler* filter_handler) const;
+  void Parse(const std::string& input,
+             std::vector<api::log_private::LogEntry>* output,
+             FilterHandler* filter_handler) const;
 
  protected:
-  explicit LogParser();
+  LogParser();
   // Parses a single line of log text into one LogEntry object.
-  virtual Error ParseEntry(
-      const std::string& input,
-      std::vector<linked_ptr<api::log_private::LogEntry> >* output,
-      FilterHandler* filter_handler) const = 0;
+  virtual Error ParseEntry(const std::string& input,
+                           std::vector<api::log_private::LogEntry>* output,
+                           FilterHandler* filter_handler) const = 0;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(LogParser);
 };
 
 }  // namespace extensions
 
 #endif  // CHROME_BROWSER_EXTENSIONS_API_LOG_PRIVATE_LOG_PARSER_H_