Support intercepted getters, setters and index operations.

pkg/compiler/lib/src/js_backend/codegen/js_tree_builder.dart

 // Copyright (c) 2014, 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 js_tree_ir_builder;
 
 import '../../tree_ir/tree_ir_builder.dart' show Builder;
 import 'glue.dart' show Glue;
 import '../../dart2jslib.dart' show Selector, InternalErrorFunction;
 import '../../elements/elements.dart';
@@ skipping 24 matching lines @@
   Expression visitIdentical(cps_ir.Identical node) {
     return new InvokeStatic(
         identicalFunction,
         identicalSelector,
         <Expression>[getVariableReference(node.left),
                      getVariableReference(node.right)]);
   }
 
   Expression visitInterceptor(cps_ir.Interceptor node) {
     Element getInterceptor = _glue.getInterceptorMethod;
+    String name = _glue.getInterceptorName(node.interceptedClasses);
+    Selector selector = new Selector.call(name, null, 1);
     _glue.registerUseInterceptorInCodegen();
     return new InvokeStatic(
         getInterceptor,
-        new Selector.fromElement(getInterceptor),
+        selector,
         <Expression>[getVariableReference(node.input)]);
   }
 
   Expression visitGetField(cps_ir.GetField node) {
     return new GetField(getVariableReference(node.object), node.field);
   }
 
   Statement visitSetField(cps_ir.SetField node) {
     return new SetField(getVariableReference(node.object),
                         node.field,
                         getVariableReference(node.value),
                         visit(node.body));
   }
 
   Expression visitCreateBox(cps_ir.CreateBox node) {
     return new CreateBox();
   }
 
   Expression visitCreateClosureClass(cps_ir.CreateClosureClass node) {
     return new CreateClosureClass(
         node.classElement,
         node.arguments.map(getVariableReference).toList());
   }
 }