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

chrome/test/webdriver/commands/window_commands.h

 // Copyright (c) 2012 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_WINDOW_COMMANDS_H_
 #define CHROME_TEST_WEBDRIVER_COMMANDS_WINDOW_COMMANDS_H_
 
 #include <string>
 #include <vector>
 
 #include "chrome/test/webdriver/commands/webdriver_command.h"
 
 namespace base {
 class DictionaryValue;
 }
 
 namespace webdriver {
 
 class Response;
 
 class WindowSizeCommand : public WebDriverCommand {
  public:
   WindowSizeCommand(const std::vector<std::string>& path_segments,
-                    const base::DictionaryValue* parameters);
+                    base::DictionaryValue* parameters);
   virtual ~WindowSizeCommand();
 
   virtual bool DoesGet() OVERRIDE;
   virtual bool DoesPost() OVERRIDE;
   virtual void ExecuteGet(Response* const response) OVERRIDE;
   virtual void ExecutePost(Response* const response) OVERRIDE;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(WindowSizeCommand);
 };
 
 class WindowPositionCommand : public WebDriverCommand {
  public:
   WindowPositionCommand(const std::vector<std::string>& path_segments,
-                        const base::DictionaryValue* parameters);
+                        base::DictionaryValue* parameters);
   virtual ~WindowPositionCommand();
 
   virtual bool DoesGet() OVERRIDE;
   virtual bool DoesPost() OVERRIDE;
   virtual void ExecuteGet(Response* const response) OVERRIDE;
   virtual void ExecutePost(Response* const response) OVERRIDE;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(WindowPositionCommand);
 };
 
 class WindowMaximizeCommand : public WebDriverCommand {
  public:
   WindowMaximizeCommand(const std::vector<std::string>& path_segments,
-                        const base::DictionaryValue* parameters);
+                        base::DictionaryValue* parameters);
   virtual ~WindowMaximizeCommand();
 
   virtual bool DoesPost() OVERRIDE;
   virtual void ExecutePost(Response* const response) OVERRIDE;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(WindowMaximizeCommand);
 };
 
 
 }  // namespace webdriver
 
 #endif  // CHROME_TEST_WEBDRIVER_COMMANDS_WINDOW_COMMANDS_H_