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dart_style/lib/src/error_listener.dart

Index: dart_style/lib/src/error_listener.dart
diff --git a/dart_style/lib/src/error_listener.dart b/dart_style/lib/src/error_listener.dart
deleted file mode 100644
index 0c0be618bb3bae740240b70e4dcfed6b1bd9aa31..0000000000000000000000000000000000000000
--- a/dart_style/lib/src/error_listener.dart
+++ /dev/null
@@ -1,25 +0,0 @@
-// 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 dart_style.src.error_listener;
-
-import 'package:analyzer/analyzer.dart';
-
-import 'formatter_exception.dart';
-
-/// A simple [AnalysisErrorListener] that just collects the reported errors.
-class ErrorListener implements AnalysisErrorListener {
-  final _errors = <AnalysisError>[];
-
-  void onError(AnalysisError error) {
-    _errors.add(error);
-  }
-
-  /// Throws a [FormatterException] if any errors have been reported.
-  void throwIfErrors() {
-    if (_errors.isEmpty) return;
-
-    throw new FormatterException(_errors);
-  }
-}