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

chrome/test/webdriver/commands/find_element_commands.h

Index: chrome/test/webdriver/commands/find_element_commands.h
diff --git a/chrome/test/webdriver/commands/find_element_commands.h b/chrome/test/webdriver/commands/find_element_commands.h
index 488d66d55d21796568de15bce23e52e1edc5ec85..d2ede74b5f399cce11bd7d6bc6ecf8c0e6683792 100644
--- a/chrome/test/webdriver/commands/find_element_commands.h
+++ b/chrome/test/webdriver/commands/find_element_commands.h
@@ -19,7 +19,7 @@ class Response;
 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();
 
@@ -41,7 +41,7 @@ class FindElementCommand : public WebDriverCommand {
 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() {}
 
@@ -56,7 +56,7 @@ class FindOneElementCommand : public FindElementCommand {
 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() {}