Clean up (most) uses of Array. Still more to come in the VM corelib code base.

compiler/lib/implementation/string.js

 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 function native_StringImplementation__indexOperator(index) {
   return this[index];
 }
 
 function native_StringImplementation__charCodeAt(index) {
   return this.charCodeAt(index);
@@ skipping 92 matching lines @@
 // TODO(floitsch): If we allow comparison operators on the String class we
 // should move this function into dart world.
 function native_StringImplementation_compareTo(other) {
   if (this == other) return 0;
   if (this < other) return -1;
   return 1;
 }
 
 function native_StringImplementation__newFromValues(array) {
   if (!(array instanceof Array)) {
-    var length = native__ArrayJsUtil__arrayLength(array);
+    var length = native__ListJsUtil__listLength(array);
     var tmp = new Array(length);
     for (var i = 0; i < length; i++) {
       tmp[i] = INDEX$operator(array, i);
     }
     array = tmp;
   }
   return String.fromCharCode.apply(this, array);
 }
 
 // Deprecated old name of new String.fromValues(..).
 function native_StringBase_createFromCharCodes(array) {
   return native_StringImplementation__newFromValues(array);
 }