Added new version of reduce.

sdk/lib/_internal/compiler/implementation/lib/js_array.dart

Index: sdk/lib/_internal/compiler/implementation/lib/js_array.dart
diff --git a/sdk/lib/_internal/compiler/implementation/lib/js_array.dart b/sdk/lib/_internal/compiler/implementation/lib/js_array.dart
index b53b0be9b675c84078e45f41970f65f229b78016..f796415410208fc215fd82c3b2500a644ee6c413 100644
--- a/sdk/lib/_internal/compiler/implementation/lib/js_array.dart
+++ b/sdk/lib/_internal/compiler/implementation/lib/js_array.dart
@@ -120,8 +120,8 @@ class JSArray<E> extends Interceptor implements List<E>, JSIndexable {
     return IterableMixinWorkaround.skipWhile(this, test);
   }
 
-  reduce(initialValue, combine(previousValue, E element)) {
-    return IterableMixinWorkaround.reduce(this, initialValue, combine);
+  E reduce(E combine(E value, E element)) {
+    return IterableMixinWorkaround.reduce(this, combine);
   }
 
   fold(initialValue, combine(previousValue, E element)) {
@@ -212,10 +212,6 @@ class JSArray<E> extends Interceptor implements List<E>, JSIndexable {
     throw new StateError("More than one element");
   }
 
-  E min([int compare(E a, E b)]) => IterableMixinWorkaround.min(this, compare);
-
-  E max([int compare(E a, E b)]) => IterableMixinWorkaround.max(this, compare);
-
   void removeRange(int start, int length) {
     checkGrowable(this, 'removeRange');
     if (length == 0) {