Move index/search to services.

pkg/analysis_services/lib/index/local_file_index.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.index.local_file_index;
+
+import 'dart:io';
+
+import 'package:analysis_services/index/index.dart';
+import 'package:analysis_services/src/index/local_index.dart';
+import 'package:analysis_services/src/index/store/codec.dart';
+import 'package:analysis_services/src/index/store/separate_file_manager.dart';
+import 'package:analysis_services/src/index/store/split_store.dart';
+import 'package:analyzer/src/generated/engine.dart';
+
+
+Index createLocalFileIndex(Directory directory) {
+  var fileManager = new SeparateFileManager(directory);
+  var stringCodec = new StringCodec();
+  var nodeManager = new FileNodeManager(fileManager,
+      AnalysisEngine.instance.logger, stringCodec, new ContextCodec(),
+      new ElementCodec(stringCodec), new RelationshipCodec(stringCodec));
+  return new LocalIndex(nodeManager);
+}