dart2js: support isolates in the startup-emitter.

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

Index: pkg/compiler/lib/src/js_emitter/startup_emitter/model_emitter.dart
diff --git a/pkg/compiler/lib/src/js_emitter/startup_emitter/model_emitter.dart b/pkg/compiler/lib/src/js_emitter/startup_emitter/model_emitter.dart
index d9c5f10c6426ec06655d5857a0358303a7e1dcb8..dd3a1f7c64c60f18e5661714a455ae406ef8a68d 100644
--- a/pkg/compiler/lib/src/js_emitter/startup_emitter/model_emitter.dart
+++ b/pkg/compiler/lib/src/js_emitter/startup_emitter/model_emitter.dart
@@ -37,12 +37,16 @@ import '../../util/uri_extras.dart' show
 import '../js_emitter.dart' show AstContainer, NativeEmitter;
 
 import 'package:js_runtime/shared/embedded_names.dart' show
+    CLASS_FIELDS_EXTRACTOR,
+    CLASS_ID_EXTRACTOR,
     CREATE_NEW_ISOLATE,
     DEFERRED_INITIALIZED,
     DEFERRED_LIBRARY_URIS,
     DEFERRED_LIBRARY_HASHES,
     GET_TYPE_FROM_NAME,
+    INITIALIZE_EMPTY_INSTANCE,
     INITIALIZE_LOADED_HUNK,
+    INSTANCE_FROM_CLASS_ID,
     INTERCEPTORS_BY_TAG,
     IS_HUNK_INITIALIZED,
     IS_HUNK_LOADED,
@@ -51,6 +55,7 @@ import 'package:js_runtime/shared/embedded_names.dart' show
     MANGLED_NAMES,
     METADATA,
     NATIVE_SUPERCLASS_TAG_NAME,
+    STATIC_FUNCTION_NAME_TO_CLOSURE,
     TYPE_TO_INTERCEPTOR_MAP,
     TYPES;