Remove certain non-standard properties from Intl

src/js/i18n.js

Index: src/js/i18n.js
diff --git a/src/js/i18n.js b/src/js/i18n.js
index dc64304a7853ae318f9e4f392b0bf9a8b7f927db..c7901c0e0febff7b0c0faa8f3a70c769f5b8b075 100644
--- a/src/js/i18n.js
+++ b/src/js/i18n.js
@@ -20,6 +20,7 @@
 var ArrayIndexOf;
 var ArrayJoin;
 var ArrayPush;
+var FLAG_intl_extra;
 var GlobalBoolean = global.Boolean;
 var GlobalDate = global.Date;
 var GlobalNumber = global.Number;
@@ -64,6 +65,10 @@ utils.Import(function(from) {
   StringSubstring = from.StringSubstring;
 });
 
+utils.ImportFromExperimental(function(from) {
+  FLAG_intl_extra = from.FLAG_intl_extra;
+});
+
 // Utilities for definitions
 
 function InstallFunction(object, name, func) {
@@ -982,7 +987,9 @@ function initializeCollator(collator, locales, options) {
   // Writable, configurable and enumerable are set to false by default.
   %MarkAsInitializedIntlObjectOfType(collator, 'collator', internalCollator);
   collator[resolvedSymbol] = resolved;
-  %object_define_property(collator, 'resolved', resolvedAccessor);
+  if (FLAG_intl_extra) {
+    %object_define_property(collator, 'resolved', resolvedAccessor);
+  }
 
   return collator;
 }
@@ -1203,7 +1210,6 @@ function initializeNumberFormat(numberFormat, locales, options) {
     minimumFractionDigits: {writable: true},
     minimumIntegerDigits: {writable: true},
     numberingSystem: {writable: true},
-    pattern: patternAccessor,
     requestedLocale: {value: requestedLocale, writable: true},
     style: {value: internalOptions.style, writable: true},
     useGrouping: {writable: true}
@@ -1225,7 +1231,10 @@ function initializeNumberFormat(numberFormat, locales, options) {
 
   %MarkAsInitializedIntlObjectOfType(numberFormat, 'numberformat', formatter);
   numberFormat[resolvedSymbol] = resolved;
-  %object_define_property(numberFormat, 'resolved', resolvedAccessor);
+  if (FLAG_intl_extra) {
+    %object_define_property(resolved, 'pattern', patternAccessor);
+    %object_define_property(numberFormat, 'resolved', resolvedAccessor);
+  }
 
   return numberFormat;
 }
@@ -1331,14 +1340,12 @@ function formatNumber(formatter, value) {
 /**
  * Returns a Number that represents string value that was passed in.
  */
-function parseNumber(formatter, value) {
+function IntlParseNumber(formatter, value) {
   return %InternalNumberParse(%GetImplFromInitializedIntlObject(formatter),
                               GlobalString(value));
 }
 
-
 AddBoundMethod(Intl.NumberFormat, 'format', formatNumber, 1);
-AddBoundMethod(Intl.NumberFormat, 'v8Parse', parseNumber, 1);
 
 /**
  * Returns a string that matches LDML representation of the options object.
@@ -1600,7 +1607,6 @@ function initializeDateTimeFormat(dateFormat, locales, options) {
     month: {writable: true},
     numberingSystem: {writable: true},
     [patternSymbol]: {writable: true},
-    pattern: patternAccessor,
     requestedLocale: {value: requestedLocale, writable: true},
     second: {writable: true},
     timeZone: {writable: true},
@@ -1619,7 +1625,10 @@ function initializeDateTimeFormat(dateFormat, locales, options) {
 
   %MarkAsInitializedIntlObjectOfType(dateFormat, 'dateformat', formatter);
   dateFormat[resolvedSymbol] = resolved;
-  %object_define_property(dateFormat, 'resolved', resolvedAccessor);
+  if (FLAG_intl_extra) {
+    %object_define_property(resolved, 'pattern', patternAccessor);
+    %object_define_property(dateFormat, 'resolved', resolvedAccessor);
+  }
 
   return dateFormat;
 }
@@ -1753,7 +1762,7 @@ function formatDate(formatter, dateValue) {
  * DateTimeFormat.
  * Returns undefined if date string cannot be parsed.
  */
-function parseDate(formatter, value) {
+function IntlParseDate(formatter, value) {
   return %InternalDateParse(%GetImplFromInitializedIntlObject(formatter),
                             GlobalString(value));
 }
@@ -1761,7 +1770,6 @@ function parseDate(formatter, value) {
 
 // 0 because date is optional argument.
 AddBoundMethod(Intl.DateTimeFormat, 'format', formatDate, 0);
-AddBoundMethod(Intl.DateTimeFormat, 'v8Parse', parseDate, 1);
 
 
 /**
@@ -1836,7 +1844,9 @@ function initializeBreakIterator(iterator, locales, options) {
   %MarkAsInitializedIntlObjectOfType(iterator, 'breakiterator',
                                      internalIterator);
   iterator[resolvedSymbol] = resolved;
-  %object_define_property(iterator, 'resolved', resolvedAccessor);
+  if (FLAG_intl_extra) {
+    %object_define_property(iterator, 'resolved', resolvedAccessor);
+  }
 
   return iterator;
 }
@@ -2135,4 +2145,10 @@ OverrideFunction(GlobalDate.prototype, 'toLocaleTimeString', function() {
   }
 );
 
+utils.Export(function(to) {
+  to.AddBoundMethod = AddBoundMethod;
+  to.IntlParseDate = IntlParseDate;
+  to.IntlParseNumber = IntlParseNumber;
+});
+
 })