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

src/dateparser.h

 // Copyright 2011 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef V8_DATEPARSER_H_
 #define V8_DATEPARSER_H_
 
 #include "src/allocation.h"
 #include "src/char-predicates.h"
 #include "src/parsing/scanner.h"
 
 namespace v8 {
 namespace internal {
 
 class DateParser : public AllStatic {
  public:
   // Parse the string as a date. If parsing succeeds, return true after
   // filling out the output array as follows (all integers are Smis):
   // [0]: year
   // [1]: month (0 = Jan, 1 = Feb, ...)
   // [2]: day
   // [3]: hour
   // [4]: minute
   // [5]: second
   // [6]: millisecond
   // [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
   };
 
  private:
   // Range testing
   static inline bool Between(int x, int lo, int hi) {
     return static_cast<unsigned>(x - lo) <= static_cast<unsigned>(hi - lo);
   }
@@ skipping 321 matching lines @@
   static DateParser::DateToken ParseES5DateTime(
       DateStringTokenizer<Char>* scanner, DayComposer* day, TimeComposer* time,
       TimeZoneComposer* tz);
 };
 
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_DATEPARSER_H_