implement tear offs

lib/runtime/dart/_internal.js

 var _internal;
 (function(exports) {
   'use strict';
   class EfficientLength extends core.Object {}
   let ListIterable$ = dart.generic(function(E) {
     class ListIterable extends collection.IterableBase$(E) {
       ListIterable() {
         super.IterableBase();
       }
       get [core.$iterator]() {
@@ skipping 1064 matching lines @@
         return new (SubListIterable$(T))(dart.as(list, core.Iterable$(T)), n, null);
       }
       skipWhile(iterable, test) {
         return new (SkipWhileIterable$(T))(dart.as(iterable, core.Iterable$(T)), dart.as(test, dart.functionType(core.bool, [T])));
       }
       reversedList(list) {
         return new (ReversedListIterable$(T))(dart.as(list, core.Iterable$(T)));
       }
       static sortList(list, compare) {
         if (compare == null)
-          compare = core.Comparable.compare;
+          compare = dart.bind(core.Comparable, 'compare');
         Sort.sort(list, compare);
       }
       static shuffleList(list, random) {
         if (random == null)
           random = new math.Random();
         let length = list[core.$length];
         while (dart.notNull(length) > 1) {
           let pos = random.nextInt(length);
           length = dart.notNull(length) - 1;
           let tmp = list[core.$get](length);
@@ skipping 871 matching lines @@
   exports.ReversedListIterable = ReversedListIterable;
   exports.UnmodifiableListError = UnmodifiableListError;
   exports.NonGrowableListError = NonGrowableListError;
   exports.makeListFixedLength = makeListFixedLength;
   exports.Lists = Lists;
   exports.printToConsole = printToConsole;
   exports.Sort = Sort;
   exports.Symbol = Symbol;
   exports.POWERS_OF_TEN = POWERS_OF_TEN;
 })(_internal || (_internal = {}));