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

chrome/test/webdriver/commands/set_timeout_commands.cc

Index: chrome/test/webdriver/commands/set_timeout_commands.cc
diff --git a/chrome/test/webdriver/commands/set_timeout_commands.cc b/chrome/test/webdriver/commands/set_timeout_commands.cc
index f0a8066083b58573d356f8831549af42a471cbfc..eb81cd11b7ec662382666493e03fdd8dd343aad9 100644
--- a/chrome/test/webdriver/commands/set_timeout_commands.cc
+++ b/chrome/test/webdriver/commands/set_timeout_commands.cc
@@ -16,7 +16,7 @@ namespace webdriver {
 
 SetTimeoutCommand::SetTimeoutCommand(
     const std::vector<std::string>& path_segments,
-    const DictionaryValue* const parameters) :
+    DictionaryValue* const parameters) :
   WebDriverCommand(path_segments, parameters) {}
 
 SetTimeoutCommand::~SetTimeoutCommand() {}
@@ -60,7 +60,7 @@ void SetTimeoutCommand::ExecutePost(Response* const response) {
 
 SetAsyncScriptTimeoutCommand::SetAsyncScriptTimeoutCommand(
     const std::vector<std::string>& path_segments,
-    const DictionaryValue* const parameters)
+    DictionaryValue* const parameters)
     : SetTimeoutCommand(path_segments, parameters) {}
 
 SetAsyncScriptTimeoutCommand::~SetAsyncScriptTimeoutCommand() {}
@@ -71,7 +71,7 @@ void SetAsyncScriptTimeoutCommand::SetTimeout(int timeout_ms) {
 
 ImplicitWaitCommand::ImplicitWaitCommand(
     const std::vector<std::string>& path_segments,
-    const DictionaryValue* const parameters)
+    DictionaryValue* const parameters)
     : SetTimeoutCommand(path_segments, parameters) {}
 
 ImplicitWaitCommand::~ImplicitWaitCommand() {}