Removed fixed dependencies

packages/analyzer/lib/task/yaml.dart

Index: packages/analyzer/lib/task/yaml.dart
diff --git a/packages/analyzer/lib/task/yaml.dart b/packages/analyzer/lib/task/yaml.dart
new file mode 100644
index 0000000000000000000000000000000000000000..3888bf70f93454a60f7b3b5bbf48e5cfa3cf53c5
--- /dev/null
+++ b/packages/analyzer/lib/task/yaml.dart
@@ -0,0 +1,23 @@
+// Copyright (c) 2016, 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.task.yaml;
+
+import 'package:analyzer/error/error.dart';
+import 'package:analyzer/src/generated/source.dart';
+import 'package:analyzer/task/model.dart';
+import 'package:yaml/yaml.dart';
+
+/**
+ * The result of parsing a YAML file.
+ */
+final ResultDescriptor<YamlDocument> YAML_DOCUMENT =
+    new ResultDescriptor<YamlDocument>('YAML_DOCUMENT', null);
+
+/**
+ * The analysis errors associated with a [Source] representing a YAML file.
+ */
+final ListResultDescriptor<AnalysisError> YAML_ERRORS =
+    new ListResultDescriptor<AnalysisError>(
+        'YAML_ERRORS', AnalysisError.NO_ERRORS);