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

chrome/test/webdriver/commands/find_element_commands.cc

 // 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.
 
 #include "chrome/test/webdriver/commands/find_element_commands.h"
 
 #include "base/values.h"
 #include "chrome/test/webdriver/commands/response.h"
 #include "chrome/test/webdriver/webdriver_element_id.h"
 #include "chrome/test/webdriver/webdriver_error.h"
 #include "chrome/test/webdriver/webdriver_session.h"
 
 namespace webdriver {
 
 FindElementCommand::FindElementCommand(
     const std::vector<std::string>& path_segments,
-    const DictionaryValue* const parameters,
+    DictionaryValue* const parameters,
     const bool find_one_element)
     : WebDriverCommand(path_segments, parameters),
       find_one_element_(find_one_element) {}
 
 FindElementCommand::~FindElementCommand() {}
 
 bool FindElementCommand::DoesPost() {
   return true;
 }
 
@@ skipping 44 matching lines @@
     }
     ListValue* element_list = new ListValue();
     for (size_t i = 0; i < elements.size(); ++i)
       element_list->Append(elements[i].ToValue());
     response->SetValue(element_list);
   }
   response->SetStatus(kSuccess);
 }
 
 }  // namespace webdriver