Rename ForEachStatement.iterator -> iterable.

pkg/analyzer/lib/src/services/formatter_impl.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.
 
 library formatter_impl;
 
 import 'dart:math';
 
 import 'package:analyzer/analyzer.dart';
 import 'package:analyzer/src/generated/parser.dart';
@@ skipping 810 matching lines @@
     space();
     token(node.leftParenthesis);
     if (node.loopVariable != null) {
       visit(node.loopVariable);
     } else {
       visit(node.identifier);
     }
     space();
     token(node.inKeyword);
     space();
-    visit(node.iterator);
+    visit(node.iterable);
     token(node.rightParenthesis);
     space();
     visit(node.body);
   }
 
   visitFormalParameterList(FormalParameterList node) {
     var groupEnd = null;
     token(node.leftParenthesis);
     var parameters = node.parameters;
     var size = parameters.length;
@@ skipping 1003 matching lines @@
   @override
   visitEnumConstantDeclaration(EnumConstantDeclaration node) {
     // TODO: implement visitEnumConstantDeclaration
   }
 
   @override
   visitEnumDeclaration(EnumDeclaration node) {
     // TODO: implement visitEnumDeclaration
   }
 }