[date] Migrate Date field accessors to native builtins.

src/js/date.js

Index: src/js/date.js
diff --git a/src/js/date.js b/src/js/date.js
index 88e293717c1deaf4cf7c43b42c7129e3a73f67f7..fb54c62dff0c42c9ff1854771077776e443df855 100644
--- a/src/js/date.js
+++ b/src/js/date.js
@@ -232,132 +232,6 @@ function DateToLocaleTimeString() {
 }
 
 
-// ECMA 262 - 15.9.5.9
-function DateGetTime() {
-  CHECK_DATE(this);
-  return UTC_DATE_VALUE(this);
-}
-
-
-// ECMA 262 - 15.9.5.10
-function DateGetFullYear() {
-  CHECK_DATE(this);
-  return LOCAL_YEAR(this);
-}
-
-
-// ECMA 262 - 15.9.5.11
-function DateGetUTCFullYear() {
-  CHECK_DATE(this);
-  return UTC_YEAR(this);
-}
-
-
-// ECMA 262 - 15.9.5.12
-function DateGetMonth() {
-  CHECK_DATE(this);
-  return LOCAL_MONTH(this);
-}
-
-
-// ECMA 262 - 15.9.5.13
-function DateGetUTCMonth() {
-  CHECK_DATE(this);
-  return UTC_MONTH(this);
-}
-
-
-// ECMA 262 - 15.9.5.14
-function DateGetDate() {
-  CHECK_DATE(this);
-  return LOCAL_DAY(this);
-}
-
-
-// ECMA 262 - 15.9.5.15
-function DateGetUTCDate() {
-  CHECK_DATE(this);
-  return UTC_DAY(this);
-}
-
-
-// ECMA 262 - 15.9.5.16
-function DateGetDay() {
-  CHECK_DATE(this);
-  return LOCAL_WEEKDAY(this);
-}
-
-
-// ECMA 262 - 15.9.5.17
-function DateGetUTCDay() {
-  CHECK_DATE(this);
-  return UTC_WEEKDAY(this);
-}
-
-
-// ECMA 262 - 15.9.5.18
-function DateGetHours() {
-  CHECK_DATE(this);
-  return LOCAL_HOUR(this);
-}
-
-
-// ECMA 262 - 15.9.5.19
-function DateGetUTCHours() {
-  CHECK_DATE(this);
-  return UTC_HOUR(this);
-}
-
-
-// ECMA 262 - 15.9.5.20
-function DateGetMinutes() {
-  CHECK_DATE(this);
-  return LOCAL_MIN(this);
-}
-
-
-// ECMA 262 - 15.9.5.21
-function DateGetUTCMinutes() {
-  CHECK_DATE(this);
-  return UTC_MIN(this);
-}
-
-
-// ECMA 262 - 15.9.5.22
-function DateGetSeconds() {
-  CHECK_DATE(this);
-  return LOCAL_SEC(this);
-}
-
-
-// ECMA 262 - 15.9.5.23
-function DateGetUTCSeconds() {
-  CHECK_DATE(this);
-  return UTC_SEC(this)
-}
-
-
-// ECMA 262 - 15.9.5.24
-function DateGetMilliseconds() {
-  CHECK_DATE(this);
-  return LOCAL_MS(this);
-}
-
-
-// ECMA 262 - 15.9.5.25
-function DateGetUTCMilliseconds() {
-  CHECK_DATE(this);
-  return UTC_MS(this);
-}
-
-
-// ECMA 262 - 15.9.5.26
-function DateGetTimezoneOffset() {
-  CHECK_DATE(this);
-  return TIMEZONE_OFFSET(this);
-}
-
-
 // ECMA 262 - 15.9.5.27
 function DateSetTime(ms) {
   CHECK_DATE(this);
@@ -648,24 +522,6 @@ utils.InstallFunctions(GlobalDate.prototype, DONT_ENUM, [
   "toLocaleString", DateToLocaleString,
   "toLocaleDateString", DateToLocaleDateString,
   "toLocaleTimeString", DateToLocaleTimeString,
-  "getTime", DateGetTime,
-  "getFullYear", DateGetFullYear,
-  "getUTCFullYear", DateGetUTCFullYear,
-  "getMonth", DateGetMonth,
-  "getUTCMonth", DateGetUTCMonth,
-  "getDate", DateGetDate,
-  "getUTCDate", DateGetUTCDate,
-  "getDay", DateGetDay,
-  "getUTCDay", DateGetUTCDay,
-  "getHours", DateGetHours,
-  "getUTCHours", DateGetUTCHours,
-  "getMinutes", DateGetMinutes,
-  "getUTCMinutes", DateGetUTCMinutes,
-  "getSeconds", DateGetSeconds,
-  "getUTCSeconds", DateGetUTCSeconds,
-  "getMilliseconds", DateGetMilliseconds,
-  "getUTCMilliseconds", DateGetUTCMilliseconds,
-  "getTimezoneOffset", DateGetTimezoneOffset,
   "setTime", DateSetTime,
   "setMilliseconds", DateSetMilliseconds,
   "setUTCMilliseconds", DateSetUTCMilliseconds,