dart2js: support isolates in the startup-emitter.

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

Index: pkg/compiler/lib/src/js_emitter/startup_emitter/emitter.dart
diff --git a/pkg/compiler/lib/src/js_emitter/startup_emitter/emitter.dart b/pkg/compiler/lib/src/js_emitter/startup_emitter/emitter.dart
index 0b37620e0553cd7bb287c79eaf626202a3401f5b..a3f2a13be2d21f9c7f9c20198002425a188d8737 100644
--- a/pkg/compiler/lib/src/js_emitter/startup_emitter/emitter.dart
+++ b/pkg/compiler/lib/src/js_emitter/startup_emitter/emitter.dart
@@ -7,6 +7,7 @@ library dart2js.js_emitter.startup_emitter;
 import 'package:js_runtime/shared/embedded_names.dart' show
     JsBuiltin,
     METADATA,
+    STATIC_FUNCTION_NAME_TO_CLOSURE,
     TYPES;
 
 import '../program_builder/program_builder.dart' show ProgramBuilder;
@@ -177,6 +178,11 @@ class Emitter implements emitterTask.Emitter {
             _emitter.generateEmbeddedGlobalAccessString(TYPES);
         return js.js.expressionTemplateFor("$typesAccess[#]");
 
+      case JsBuiltin.createDartClosureFromNameOfStaticFunction:
+        String functionAccess = _emitter.generateEmbeddedGlobalAccessString(
+            STATIC_FUNCTION_NAME_TO_CLOSURE);
+        return js.js.expressionTemplateFor("$functionAccess(#)");
+
       default:
         _compiler.internalError(NO_LOCATION_SPANNABLE,
             "Unhandled Builtin: $builtin");