Correct const accessors in base/values.(h|cc), Part II (ListValue)

sync/protocol/proto_value_conversions_unittest.cc

Index: sync/protocol/proto_value_conversions_unittest.cc
diff --git a/sync/protocol/proto_value_conversions_unittest.cc b/sync/protocol/proto_value_conversions_unittest.cc
index 89a99e36c45566679fff6101cf570639762d1629..fd364501d144a89b61ccbc11c0f60c179dd71cbf 100644
--- a/sync/protocol/proto_value_conversions_unittest.cc
+++ b/sync/protocol/proto_value_conversions_unittest.cc
@@ -193,8 +193,8 @@ namespace {
 bool ValueHasSpecifics(const DictionaryValue& value,
                        const std::string& path) {
   const ListValue* entities_list = NULL;
-  DictionaryValue* entry_dictionary = NULL;
-  DictionaryValue* specifics_dictionary = NULL;
+  const DictionaryValue* entry_dictionary = NULL;
+  const DictionaryValue* specifics_dictionary = NULL;
 
   if (!value.GetList(path, &entities_list))
     return false;