dart2js: emit callstubs in new emitter and rename to stubs.

pkg/compiler/lib/src/js_emitter/model.dart

Index: pkg/compiler/lib/src/js_emitter/model.dart
diff --git a/pkg/compiler/lib/src/js_emitter/model.dart b/pkg/compiler/lib/src/js_emitter/model.dart
index 168a44b33ecd942fad8cec90f0707f4ec8f6c550..b7c348b9fcfeea9f76a44167dc317e83bdffdd92 100644
--- a/pkg/compiler/lib/src/js_emitter/model.dart
+++ b/pkg/compiler/lib/src/js_emitter/model.dart
@@ -205,7 +205,10 @@ class Class implements FieldContainer {
   final List<Method> methods;
   final List<Field> fields;
   final List<StubMethod> isChecks;
-  final List<StubMethod> callStubs;
+
+  /// Stub methods for this class that are either call stubs for getters or
+  /// noSuchMethod stubs in the special case that the class is Object.
+  final List<StubMethod> stubs;
   final List<Field> staticFieldsForReflection;
   final bool onlyForRti;
   final bool isDirectlyInstantiated;
@@ -225,7 +228,7 @@ class Class implements FieldContainer {
         this.methods,
         this.fields,
         this.staticFieldsForReflection,
-        this.callStubs,
+        this.stubs,
         this.isChecks,
         this.functionTypeIndex,
         {this.onlyForRti,