Remove ExecutableElement.localVariables altogether.

pkg/analyzer/lib/src/dart/element/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 analyzer.src.dart.element.member;
 
 import 'package:analyzer/dart/ast/ast.dart';
 import 'package:analyzer/dart/constant/value.dart';
 import 'package:analyzer/dart/element/element.dart';
 import 'package:analyzer/dart/element/type.dart';
@@ skipping 159 matching lines @@
   @override
   bool get isStatic => baseElement.isStatic;
 
   @override
   bool get isSynchronous => baseElement.isSynchronous;
 
   @override
   List<LabelElement> get labels => baseElement.labels;
 
   @override
-  List<LocalVariableElement> get localVariables {
-    //
-    // Elements within this element should have type parameters substituted,
-    // just like this element.
-    //
-    throw new UnsupportedError('localVariables');
-//    return getBaseElement().getLocalVariables();
-  }
-
-  @override
   List<ParameterElement> get parameters => type.parameters;
 
   @override
   DartType get returnType => type.returnType;
 
   @override
   FunctionType get type {
     return _type ??= baseElement.type.substitute2(definingType.typeArguments,
         TypeParameterTypeImpl.getTypes(definingType.typeParameters));
   }
 
   @override
   List<TypeParameterElement> get typeParameters => baseElement.typeParameters;
 
   @override
   void visitChildren(ElementVisitor visitor) {
     // TODO(brianwilkerson) We need to finish implementing the accessors used
     // below so that we can safely invoke them.
     super.visitChildren(visitor);
     safelyVisitChildren(baseElement.functions, visitor);
     safelyVisitChildren(labels, visitor);
-    safelyVisitChildren(baseElement.localVariables, visitor);
     safelyVisitChildren(parameters, visitor);
   }
 }
 
 /**
  * A parameter element defined in a parameterized type where the values of the
  * type parameters are known.
  */
 class FieldFormalParameterMember extends ParameterMember
     implements FieldFormalParameterElement {
@@ skipping 784 matching lines @@
   DartObject computeConstantValue() => baseElement.computeConstantValue();
 
   @override
   void visitChildren(ElementVisitor visitor) {
     // TODO(brianwilkerson) We need to finish implementing the accessors used
     // below so that we can safely invoke them.
     super.visitChildren(visitor);
     baseElement.initializer?.accept(visitor);
   }
 }