dart2js: Cleanups and renames in runtime code that thouches types.

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 505f604159e9b4cff53b57a72f792a8f5a5c71d6..21340f7742a073e7b94571538ae4c99e07ba42d3 100644
--- a/pkg/compiler/lib/src/js_emitter/new_emitter/emitter.dart
+++ b/pkg/compiler/lib/src/js_emitter/new_emitter/emitter.dart
@@ -140,20 +140,20 @@ class Emitter implements emitterTask.Emitter {
         return js.js.expressionTemplateYielding(
             typeAccess(_compiler.objectClass));
 
-      case JsBuiltin.classNameFromIsCheckProperty:
+      case JsBuiltin.isCheckPropertyToJsConstructorName:
         int isPrefixLength = namer.operatorIsPrefix.length;
         return js.js.expressionTemplateFor('#.substring($isPrefixLength)');
 
       case JsBuiltin.isFunctionType:
         return _backend.rti.representationGenerator.templateForIsFunctionType;
 
-      case JsBuiltin.typeName:
+      case JsBuiltin.rawRtiToJsConstructorName:
         return js.js.expressionTemplateFor("#.$typeNameProperty");
 
       case JsBuiltin.rawRuntimeType:
         return js.js.expressionTemplateFor("#.constructor");
 
-      case JsBuiltin.createFunctionType:
+      case JsBuiltin.createFunctionTypeRti:
         return _backend.rti.representationGenerator
             .templateForCreateFunctionType;