Pass InterceptorData through ResolutionWorldBuilder and access it through ClosedWorld

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

Index: pkg/compiler/lib/src/js_emitter/class_stub_generator.dart
diff --git a/pkg/compiler/lib/src/js_emitter/class_stub_generator.dart b/pkg/compiler/lib/src/js_emitter/class_stub_generator.dart
index 9c353c4b2aaada121bd675074ec916a0646babb2..5b154f070053260dd67903e19f3adf08e00ece5d 100644
--- a/pkg/compiler/lib/src/js_emitter/class_stub_generator.dart
+++ b/pkg/compiler/lib/src/js_emitter/class_stub_generator.dart
@@ -24,15 +24,16 @@ class ClassStubGenerator {
   final Namer _namer;
   final CodegenWorldBuilder _worldBuilder;
   final ClosedWorld _closedWorld;
-  final InterceptorData _interceptorData;
   final bool enableMinification;
   final Emitter _emitter;
   final CommonElements _commonElements;
 
   ClassStubGenerator(this._emitter, this._commonElements, this._namer,
-      this._worldBuilder, this._interceptorData, this._closedWorld,
+      this._worldBuilder, this._closedWorld,
       {this.enableMinification});
 
+  InterceptorData get _interceptorData => _closedWorld.interceptorData;
+
   jsAst.Expression generateClassConstructor(
       ClassEntity classElement, Iterable<jsAst.Name> fields, bool hasRtiField) {
     // TODO(sra): Implement placeholders in VariableDeclaration position: