Split MirrorsData

pkg/compiler/lib/src/js_backend/codegen_listener.dart

Index: pkg/compiler/lib/src/js_backend/codegen_listener.dart
diff --git a/pkg/compiler/lib/src/js_backend/codegen_listener.dart b/pkg/compiler/lib/src/js_backend/codegen_listener.dart
index 705fbfa8a8ab46e7311f28da4042eaa3b93d2080..6493fc8777b17141227acf046ea5aa1c6f760ec3 100644
--- a/pkg/compiler/lib/src/js_backend/codegen_listener.dart
+++ b/pkg/compiler/lib/src/js_backend/codegen_listener.dart
@@ -42,7 +42,6 @@ class CodegenEnqueuerListener extends EnqueuerListener {
 
   final BackendUsage _backendUsage;
   final RuntimeTypesNeed _rtiNeed;
-  final MirrorsData _mirrorsData;
 
   final CustomElementsCodegenAnalysis _customElementsAnalysis;
   final TypeVariableHandler _typeVariableHandler;
@@ -62,7 +61,6 @@ class CodegenEnqueuerListener extends EnqueuerListener {
       this._backendClasses,
       this._backendUsage,
       this._rtiNeed,
-      this._mirrorsData,
       this._customElementsAnalysis,
       this._typeVariableHandler,
       this._lookupMapAnalysis,
@@ -255,7 +253,6 @@ class CodegenEnqueuerListener extends EnqueuerListener {
   @override
   WorldImpact registerUsedElement(MemberElement member) {
     WorldImpactBuilderImpl worldImpact = new WorldImpactBuilderImpl();
-    _mirrorsData.registerUsedMember(member);
     _customElementsAnalysis.registerStaticUse(member);
 
     // TODO(sigmund): add other missing dependencies (internals, selectors