Make dates default to the local timezone if none specified

src/dateparser.h

Index: src/dateparser.h
diff --git a/src/dateparser.h b/src/dateparser.h
index f284590264175bc4a7a79bb87873d89ad3c2d502..15a971a8cca411e7bd97ec35e67323b6602cdc6e 100644
--- a/src/dateparser.h
+++ b/src/dateparser.h
@@ -367,13 +367,13 @@ class DateParser : public AllStatic {
     bool is_iso_date_;
   };
 
-  // Tries to parse an ES5 Date Time String. Returns the next token
+  // Tries to parse an ES6 Date Time String. Returns the next token
   // to continue with in the legacy date string parser. If parsing is
   // complete, returns DateToken::EndOfInput(). If terminally unsuccessful,
   // returns DateToken::Invalid(). Otherwise parsing continues in the
   // legacy parser.
   template <typename Char>
-  static DateParser::DateToken ParseES5DateTime(
+  static DateParser::DateToken ParseES6DateTime(
       DateStringTokenizer<Char>* scanner,
       DayComposer* day,
       TimeComposer* time,