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

pkg/analysis_server/lib/src/services/refactoring/rename_class_member.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_class_member;
 
 import 'dart:async';
 
 import 'package:analysis_server/src/protocol_server.dart' hide Element,
     ElementKind;
@@ skipping 55 matching lines @@
     if (element is MethodElement && (element as MethodElement).isOperator) {
       result.addFatalError('Cannot rename operator.');
     }
     return new Future.value(result);
   }
 
   @override
   RefactoringStatus checkNewName() {
     RefactoringStatus result = super.checkNewName();
     if (element is FieldElement) {
-      FieldElement fieldElement = element as FieldElement;
-      if (fieldElement.isStatic && fieldElement.isConst) {
-        result.addStatus(validateConstantName(newName));
-      } else {
-        result.addStatus(validateFieldName(newName));
-      }
+      result.addStatus(validateFieldName(newName));
     }
     if (element is MethodElement) {
       result.addStatus(validateMethodName(newName));
     }
     return result;
   }
 
   @override
   Future fillChange() {
     // update declarations
@@ skipping 159 matching lines @@
     }
     return _prepareElements().then((_) {
       return Future.forEach(elements, (Element element) {
         return searchEngine.searchReferences(element).then((references) {
           this.references.addAll(references);
         });
       });
     });
   }
 }