Update Intl's json data file generation to current APIs

pkg/intl/lib/date_format.dart

Index: pkg/intl/lib/date_format.dart
diff --git a/pkg/intl/lib/date_format.dart b/pkg/intl/lib/date_format.dart
index a0d964ffa8695e71057abebb29123edfbe186cdf..88b54d66433ceba4e0038cfe658d2f9174591637 100644
--- a/pkg/intl/lib/date_format.dart
+++ b/pkg/intl/lib/date_format.dart
@@ -558,7 +558,7 @@ class DateFormat {
   /** Parse the template pattern and return a list of field objects.*/
   List parsePattern(String pattern) {
     if (pattern == null) return null;
-    return _reverse(_parsePatternHelper(pattern));
+    return _parsePatternHelper(pattern).reversed.toList();
   }
 
   /** Recursive helper for parsing the template pattern. */
@@ -584,15 +584,4 @@ class DateFormat {
       }
     }
   }
-
-  /** Polyfill for missing library function. */
-  List _reverse(List list) {

[Emily Fortuna, 2013/03/18 22:45:15]

yay!

-    // TODO(alanknight): Use standardized list reverse when implemented.
-    // See Issue 2804.
-    var result = new List();
-    for (var i = list.length-1; i >= 0; i--) {
-      result.addLast(list[i]);
-    }
-    return result;
-  }
 }