Correct const accessors in base/values.(h|cc)

chrome/test/webdriver/commands/find_element_commands.h

 // Copyright (c) 2011 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_TEST_WEBDRIVER_COMMANDS_FIND_ELEMENT_COMMANDS_H_
 #define CHROME_TEST_WEBDRIVER_COMMANDS_FIND_ELEMENT_COMMANDS_H_
 
 #include <string>
 #include <vector>
 
 #include "chrome/test/webdriver/commands/webdriver_command.h"
 
 namespace webdriver {
 
 class Response;
 
 // Base class for searching a page, this class can find either a single
 // webelement or return multiple matches.
 class FindElementCommand : public WebDriverCommand {
  public:
    FindElementCommand(const std::vector<std::string>& path_segments,
-                      const DictionaryValue* const parameters,
+                      DictionaryValue* const parameters,
                       const bool find_one_element);
   virtual ~FindElementCommand();
 
   virtual bool DoesPost() OVERRIDE;
   virtual void ExecutePost(Response* const response) OVERRIDE;
 
  private:
   const bool find_one_element_;
   std::string root_element_id_;
   std::string use_;
   std::string value_;
 
   DISALLOW_COPY_AND_ASSIGN(FindElementCommand);
 };
 
 // Search for an element on the page, starting from the document root.
 // The located element will be returned as a WebElement JSON object. See:
 // http://code.google.com/p/selenium/wiki/JsonWireProtocol#/session/element
 class FindOneElementCommand : public FindElementCommand {
  public:
   FindOneElementCommand(const std::vector<std::string>& path_segments,
-                        const DictionaryValue* const parameters)
+                        DictionaryValue* const parameters)
       : FindElementCommand(path_segments, parameters, true) {}
   virtual ~FindOneElementCommand() {}
 
  private:
   DISALLOW_COPY_AND_ASSIGN(FindOneElementCommand);
 };
 
 // Search for multiple elements on the page, starting from the identified
 // element. The located elements will be returned as a WebElement JSON
 // objects. See:
 // http://code.google.com/p/selenium/wiki/JsonWireProtocol#/session/:sessionId/element/:id/elements
 class FindManyElementsCommand : public FindElementCommand {
  public:
   FindManyElementsCommand(const std::vector<std::string>& path_segments,
-                          const DictionaryValue* const parameters)
+                          DictionaryValue* const parameters)
       : FindElementCommand(path_segments, parameters, false) {}
   virtual ~FindManyElementsCommand() {}
 
  private:
   DISALLOW_COPY_AND_ASSIGN(FindManyElementsCommand);
 };
 
 }  // namespace webdriver
 
 #endif  // CHROME_TEST_WEBDRIVER_COMMANDS_FIND_ELEMENT_COMMANDS_H_