- Move length getter and setter interceptors to the new interceptor scheme.

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

 // Copyright (c) 2012, 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.
 
 library _interceptors;
 
 import 'dart:collection';
 
 part 'js_array.dart';
 part 'js_number.dart';
@@ skipping 16 matching lines @@
   if (object is String) return const JSString();
   if (isJsArray(object)) return const JSArray();
   if (object is int) return const JSInt();
   if (object is double) return const JSDouble();
   if (object is bool) return const JSBool();
   if (object == null) return const JSNull();
   if (JS('String', 'typeof #', object) == 'function') return const JSFunction();
   return const ObjectInterceptor();
 }
 
-get$length(var receiver) {
-  if (receiver is String || isJsArray(receiver)) {
-    return JS('num', r'#.length', receiver);  // TODO(sra): Use 'int'?
-  } else {
-    return UNINTERCEPTED(receiver.length);
-  }
-}
-
-set$length(receiver, newLength) {
-  if (isJsArray(receiver)) {
-    if (newLength is !int) throw new ArgumentError(newLength);
-    if (newLength < 0) throw new RangeError.value(newLength);
-    checkGrowable(receiver, 'set length');
-    JS('void', r'#.length = #', receiver, newLength);
-  } else {
-    UNINTERCEPTED(receiver.length = newLength);
-  }
-  return newLength;
-}
-
 /**
  * The interceptor class for tear-off static methods. Unlike
  * tear-off instance methods, tear-off static methods are just the JS
  * function, and methods inherited from Object must therefore be
  * intercepted.
  */
 class JSFunction implements Function {
   const JSFunction();
   String toString() => 'Closure';
 }
@@ skipping 10 matching lines @@
 
 /**
  * The interceptor class for [Null].
  */
 class JSNull implements Null {
   const JSNull();
   String toString() => 'null';
   int get hashCode => 0;
   Type get runtimeType => createRuntimeType('Null');
 }