Refactoring to prepare for kernel based jump targets

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

 // Copyright (c) 2017, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 import '../closure.dart';
 import '../common.dart';
 import '../common_elements.dart';
 import '../compiler.dart';
 import '../constants/values.dart';
 import '../elements/elements.dart';
@@ skipping 322 matching lines @@
   /// Sets of elements that are needed by reflection. Computed using
   /// [computeMembersNeededForReflection] on first use.
   Set<ClassElement> _classesNeededForReflection;
   Set<TypedefElement> _typedefsNeededForReflection;
   Set<MemberElement> _membersNeededForReflection;
   Set<LocalFunctionElement> _closuresNeededForReflection;
 
   /// Called by [MirrorUsageAnalyzerTask] after it has merged all @MirrorsUsed
   /// annotations. The arguments corresponds to the unions of the corresponding
   /// fields of the annotations.
-  // TODO(johnniwinther): Change type of [metaTargets] to `Set<ClassEntity>`.
+  // TODO(redemption): Change type of [metaTargets] to `Set<ClassEntity>`.
   void registerMirrorUsage(
       Set<String> symbols, Set<Element> targets, Set<Element> metaTargets) {
     if (symbols == null && targets == null && metaTargets == null) {
       // The user didn't specify anything, or there are imports of
       // 'dart:mirrors' without @MirrorsUsed.
       hasInsufficientMirrorsUsed = true;
       return;
     }
     if (symbols != null) symbolsUsed.addAll(symbols);
     if (targets != null) {
@@ skipping 350 matching lines @@
   }
 
   /// Called when `const Symbol(name)` is seen.
   void registerConstSymbol(String name) {
     symbolsUsed.add(name);
     if (name.endsWith('=')) {
       symbolsUsed.add(name.substring(0, name.length - 1));
     }
   }
 }