Handle index expressions in the middle of call chains.

example/format.dart

 // Copyright (c) 2015, 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 dart_style.example.format;
 
 import 'dart:io';
 import 'dart:mirrors';
 
 import 'package:path/path.dart' as p;
@@ skipping 26 matching lines @@
   try {
     var formatter = new DartFormatter(pageWidth: pageWidth);
 
     var result;
     if (isCompilationUnit) {
       result = formatter.format(source);
     } else {
       result = formatter.formatStatement(source);
     }
 
-    if (debug.useAnsiColors) {
-      result = result.replaceAll(" ", debug.gray(debug.unicodeMidDot));
-    }
-
     drawRuler("before", pageWidth);
     print(source);
     drawRuler("after", pageWidth);
     print(result);
   } on FormatterException catch (error) {
     print(error.message());
   }
 }
 
 void drawRuler(String label, int width) {
@@ skipping 99 matching lines @@
   source = source.replaceAll("‹", "");
 
   var end = source.indexOf("›");
   source = source.replaceAll("›", "");
 
   return new SourceCode(source,
       isCompilationUnit: isCompilationUnit,
       selectionStart: start == -1 ? null : start,
       selectionLength: end == -1 ? null : end - start);
 }