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

compiler/lib/implementation/isolate.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.
 
 var isolate$current = null;
 var isolate$rootIsolate = null;  // Will only be set in the main worker.
 var isolate$inits = [];
 var isolate$globalThis = this;
 
 // These declarations are needed to avoid errors from the Closure Compiler
@@ skipping 471 matching lines @@
 
 function native_Serializer__jsArrayIndexSet(jsArray, index, val) {
   jsArray[index] = val;
 }
 
 function native_Serializer__dartListToJsArrayNoCopy(list) {
   if (list instanceof Array) {
     RTT.removeTypeInfo(list);
     return list;
   } else {
-    var len = native__ArrayJsUtil__arrayLength(list);
+    var len = native__ListJsUtil__listLength(list);
     var array = new Array(len);
     for (var i = 0; i < len; i++) {
       array[i] = INDEX$operator(list, i);
     }
     return array;
   }
 }
 
 function native_Deserializer__isJsArray(x) {
   return x instanceof Array;
@@ skipping 16 matching lines @@
 }
 
 function isolate$deserializeMessage(message) {
   if (isolate$useWorkers || isolate$useWorkerSerializationProtocol) {
     return native__IsolateJsUtil__deserializeMessage(message);
   } else {
     // Nothing more to do.
     return message;
   }
 }