Issue 21333. Constant names are not special anymore in the style guide (Dart version).

pkg/analysis_server/lib/src/services/refactoring/rename_local.dart

 // Copyright (c) 2014, 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 services.src.refactoring.rename_local;
 
 import 'dart:async';
 
 import 'package:analysis_server/src/protocol_server.dart' hide Element;
 import 'package:analysis_server/src/services/correction/status.dart';
@@ skipping 38 matching lines @@
     for (Source librarySource in librarySources) {
       _analyzePossibleConflicts_inLibrary(result, unitSource, librarySource);
     }
     return new Future.value(result);
   }
 
   @override
   RefactoringStatus checkNewName() {
     RefactoringStatus result = super.checkNewName();
     if (element is LocalVariableElement) {
-      LocalVariableElement variableElement = element;
-      if (variableElement.isConst) {
-        result.addStatus(validateConstantName(newName));
-      } else {
-        result.addStatus(validateVariableName(newName));
-      }
+      result.addStatus(validateVariableName(newName));
     } else if (element is ParameterElement) {
       result.addStatus(validateParameterName(newName));
     } else if (element is FunctionElement) {
       result.addStatus(validateFunctionName(newName));
     }
     return result;
   }
 
   @override
   Future fillChange() {
@@ skipping 58 matching lines @@
                 '"$nameElementSourceName" will be shadowed by renamed $refKind.';
         result.addError(message, newLocation_fromNode(node));
       }
     }
   }
 
   static bool _isNamedExpressionName(SimpleIdentifier node) {
     return node.parent is Label && node.parent.parent is NamedExpression;
   }
 }