Support intercepted getters, setters and index operations.

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

Index: pkg/compiler/lib/src/js_backend/codegen/js_tree_builder.dart
diff --git a/pkg/compiler/lib/src/js_backend/codegen/js_tree_builder.dart b/pkg/compiler/lib/src/js_backend/codegen/js_tree_builder.dart
index b21bb5e13759296d74005dbebde37ff1e0812cc9..b3c5689a159a239595ba8cc8e329a4cebec56f28 100644
--- a/pkg/compiler/lib/src/js_backend/codegen/js_tree_builder.dart
+++ b/pkg/compiler/lib/src/js_backend/codegen/js_tree_builder.dart
@@ -42,10 +42,12 @@ class JsTreeBuilder extends Builder {
 
   Expression visitInterceptor(cps_ir.Interceptor node) {
     Element getInterceptor = _glue.getInterceptorMethod;
+    String name = _glue.getInterceptorName(node.interceptedClasses);
+    Selector selector = new Selector.call(name, null, 1);

[asgerf, 2015/01/21 10:21:05]

Was this supposed to be the JsCallSelector?

     _glue.registerUseInterceptorInCodegen();
     return new InvokeStatic(
         getInterceptor,
-        new Selector.fromElement(getInterceptor),
+        selector,
         <Expression>[getVariableReference(node.input)]);
   }