Clean up resolution of unlabeled break/continue targets.

pkg/analyzer/lib/src/generated/element_resolver.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 engine.resolver.element_resolver;
 
 import 'dart:collection';
 
 import 'ast.dart';
 import 'element.dart';
@@ skipping 1565 matching lines @@
   /**
    * Return the target of a break or continue statement, and update the static
    * element of its label (if any).  [parentNode] is the AST node of the break
    * or continue statement, [labelNode] is the label contained in that
    * statement (if any), and [isContinue] is true if the node being visited is
    * a continue statement.
    */
   AstNode _lookupBreakOrContinueTarget(AstNode parentNode,
       SimpleIdentifier labelNode, bool isContinue) {
     if (labelNode == null) {
-      return _resolver.getUnlabeledBreakOrContinueTarget(isContinue);
+      return _resolver.implicitLabelScope.getTarget(isContinue);
     } else {
       LabelScope labelScope = _resolver.labelScope;
       if (labelScope == null) {
         // There are no labels in scope, so by definition the label is
         // undefined.
         _resolver.reportErrorForNode(
             CompileTimeErrorCode.LABEL_UNDEFINED,
             labelNode,
             [labelNode.name]);
         return null;
@@ skipping 1466 matching lines @@
   @override
   Element get staticElement => null;
 
   @override
   accept(AstVisitor visitor) => null;
 
   @override
   void visitChildren(AstVisitor visitor) {
   }
 }