Add UseCounter for Date.parse's legacy parse heuristics.

src/dateparser.h

Index: src/dateparser.h
diff --git a/src/dateparser.h b/src/dateparser.h
index 533173984c4531974a8416259a4b712f571f576d..d7676cbe08a24620156772fba85ca8a1c3b43c7a 100644
--- a/src/dateparser.h
+++ b/src/dateparser.h
@@ -26,7 +26,7 @@ class DateParser : public AllStatic {
   // [7]: UTC offset in seconds, or null value if no timezone specified
   // If parsing fails, return false (content of output array is not defined).
   template <typename Char>
-  static bool Parse(Vector<Char> str, FixedArray* output, UnicodeCache* cache);
+  static bool Parse(Isolate* isolate, Vector<Char> str, FixedArray* output);
 
   enum {
     YEAR, MONTH, DAY, HOUR, MINUTE, SECOND, MILLISECOND, UTC_OFFSET, OUTPUT_SIZE