dart2js: Fix new emitter.

pkg/compiler/lib/src/js_emitter/new_emitter/emitter.dart

Index: pkg/compiler/lib/src/js_emitter/new_emitter/emitter.dart
diff --git a/pkg/compiler/lib/src/js_emitter/new_emitter/emitter.dart b/pkg/compiler/lib/src/js_emitter/new_emitter/emitter.dart
index 9539cf68e8d657326fe873da5bafd78ee08f41be..6a55d08c638de8cd58915dbdac314c2720839d86 100644
--- a/pkg/compiler/lib/src/js_emitter/new_emitter/emitter.dart
+++ b/pkg/compiler/lib/src/js_emitter/new_emitter/emitter.dart
@@ -143,16 +143,16 @@ class Emitter implements emitterTask.Emitter {
 
       case JsBuiltin.isFunctionTypeLiteral:
         String functionClassName =
-            _backend.namer.runtimeTypeName(compiler.functionClass);
+            _backend.namer.runtimeTypeName(_compiler.functionClass);
 
-        return jsAst.js.expressionTemplateFor(
+        return js.js.expressionTemplateFor(
             '#.$typeNameProperty === "$functionClassName"');
 
       case JsBuiltin.typeName:
-        return jsAst.js.expressionTemplateFor("#.$typeNameProperty");
+        return js.js.expressionTemplateFor("#.$typeNameProperty");
 
       case JsBuiltin.rawRuntimeType:
-        return jsAst.js.expressionTemplateFor("#.constructor");
+        return js.js.expressionTemplateFor("#.constructor");
 
       case JsBuiltin.createFunctionType:
         return _backend.rti.representationGenerator