Refactoring to prepare for kernel based jump targets

pkg/compiler/lib/src/js_backend/checked_mode_helpers.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.
 
 import '../common.dart';
 import '../common_elements.dart';
 import '../elements/elements.dart' show ErroneousElement;
 import '../elements/entities.dart';
 import '../elements/resolution_types.dart' show MalformedType;
 import '../elements/types.dart';
@@ skipping 25 matching lines @@
   }
 }
 
 class MalformedCheckedModeHelper extends CheckedModeHelper {
   const MalformedCheckedModeHelper(String name) : super(name);
 
   CallStructure get callStructure => CallStructure.TWO_ARGS;
 
   void generateAdditionalArguments(SsaCodeGenerator codegen, Namer namer,
       HTypeConversion node, List<jsAst.Expression> arguments) {
-    // TODO(johnniwinther): Support malformed types in [types.dart].
+    // TODO(redemption): Support malformed types in [types.dart].
     MalformedType type = node.typeExpression;
     ErroneousElement element = type.element;
     arguments.add(js.escapedString(element.message));
   }
 }
 
 class PropertyCheckedModeHelper extends CheckedModeHelper {
   const PropertyCheckedModeHelper(String name) : super(name);
 
   CallStructure get callStructure => CallStructure.TWO_ARGS;
@@ skipping 226 matching lines @@
 
     if (nativeCheck) {
       // TODO(karlklose): can we get rid of this branch when we use
       // interceptors?
       return 'intercepted$suffix';
     } else {
       return 'property$suffix';
     }
   }
 }