make DateParser::TimeComposer handle milliseconds properly...

src/dateparser-inl.h

 // Copyright 2008 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 41 matching lines @@
           time.Add(n);
           time.Add(0);
         } else {
           // n + ":"
           if (!time.Add(n)) return false;
           in.Skip('.');
         }
       } else if (in.Skip('.') && time.IsExpecting(n)) {
         time.Add(n);
         if (!in.IsAsciiDigit()) return false;
-        int n = in.ReadUnsignedNumber();
+        int n = in.ReadMilliseconds();
         time.AddFinal(n);
       } else if (tz.IsExpecting(n)) {
         tz.SetAbsoluteMinute(n);
       } else if (time.IsExpecting(n)) {
         time.AddFinal(n);
         // Require end, white space, "Z", "+" or "-" immediately after
         // finalizing time.
         if (!in.IsEnd() && !in.SkipWhiteSpace() && !in.Is('Z') &&
             !in.IsAsciiSign()) return false;
       } else {
@@ skipping 43 matching lines @@
       // Ignore other characters.
       in.Next();
     }
   }
   return day.Write(out) && time.Write(out) && tz.Write(out);
 }
 
 } }  // namespace v8::internal
 
 #endif  // V8_DATEPARSER_INL_H_