dart2js: remove JS_OBJECT_CLASS_NAME and JS_NULL_CLASS_NAME from foreign

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

Index: pkg/compiler/lib/src/js_emitter/old_emitter/emitter.dart
diff --git a/pkg/compiler/lib/src/js_emitter/old_emitter/emitter.dart b/pkg/compiler/lib/src/js_emitter/old_emitter/emitter.dart
index dd2c214d749f956ddbcd98accd490c3fe046f230..310a243edbd8b04a87c8333a4672b709c59d4e19 100644
--- a/pkg/compiler/lib/src/js_emitter/old_emitter/emitter.dart
+++ b/pkg/compiler/lib/src/js_emitter/old_emitter/emitter.dart
@@ -283,12 +283,6 @@ class OldEmitter implements Emitter {
       case JsBuiltin.isFunctionType:
         return backend.rti.representationGenerator.templateForIsFunctionType;
 
-      case JsBuiltin.isFunctionTypeLiteral:
-        String functionClassName =
-            backend.namer.runtimeTypeName(compiler.functionClass);
-        return jsAst.js.expressionTemplateFor(
-          '#.$typeNameProperty === "$functionClassName"');
-
       case JsBuiltin.typeName:
         return jsAst.js.expressionTemplateFor("#.$typeNameProperty");
 
@@ -306,6 +300,24 @@ class OldEmitter implements Emitter {
         return jsAst.js.expressionTemplateFor(
             "('$isPrefix' + #) in #.prototype");
 
+      case JsBuiltin.isFunctionTypeRti:
+        String functionClassName =
+            backend.namer.runtimeTypeName(compiler.functionClass);
+        return jsAst.js.expressionTemplateFor(
+            '#.$typeNameProperty === "$functionClassName"');
+
+      case JsBuiltin.isDartObjectTypeRti:
+        String objectClassName =
+            backend.namer.runtimeTypeName(compiler.objectClass);
+        return jsAst.js.expressionTemplateFor(
+            '#.$typeNameProperty === "$objectClassName"');
+
+      case JsBuiltin.isNullTypeRti:
+        String nullClassName =
+            backend.namer.runtimeTypeName(compiler.nullClass);
+        return jsAst.js.expressionTemplateFor(
+            '#.$typeNameProperty === "$nullClassName"');
+
       case JsBuiltin.getMetadata:
         String metadataAccess =
             generateEmbeddedGlobalAccessString(embeddedNames.METADATA);