dart2js: remove resolved TODO

pkg/compiler/lib/src/cps_ir/cps_ir_builder.dart

 // Copyright (c) 2013, 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.
 
 library dart2js.ir_builder;
 
 import '../closure.dart' as closure;
 import '../common.dart';
 import '../common/names.dart' show
     Names,
@@ skipping 1408 matching lines @@
     bodyBuilder._enterScope(closureScope);
     if (buildVariableDeclaration != null) {
       buildVariableDeclaration(bodyBuilder);
     }
     ir.Primitive currentValue = bodyBuilder.addPrimitive(
         new ir.InvokeMethod(
             iterator,
             Selectors.current,
             currentMask,
             emptyArguments));
-    // TODO(sra): Does this cover all cases? The general setter case include
-    // super.
     // TODO(johnniwinther): Extract this as a provided strategy.
     if (Elements.isLocal(variableElement)) {
       bodyBuilder.buildLocalVariableSet(variableElement, currentValue);
     } else if (Elements.isError(variableElement) ||
                Elements.isMalformed(variableElement)) {
       Selector selector = new Selector.setter(
           new Name(variableElement.name, variableElement.library));
       List<ir.Primitive> value = <ir.Primitive>[currentValue];
       // Note the order of the comparisons below.  It can be the case that an
       // element isError and isMalformed.
@@ skipping 1458 matching lines @@
 }
 
 class SwitchCaseInfo {
   final List<ir.Primitive> constants = <ir.Primitive>[];
   final SubbuildFunction buildBody;
 
   SwitchCaseInfo(this.buildBody);
 
   void addConstant(ir.Primitive constant) => constants.add(constant);
 }