Move index/search to services.

pkg/analysis_services/lib/index/local_memory_index.dart

Index: pkg/analysis_services/lib/index/local_memory_index.dart
diff --git a/pkg/analysis_services/lib/index/local_memory_index.dart b/pkg/analysis_services/lib/index/local_memory_index.dart
new file mode 100644
index 0000000000000000000000000000000000000000..7f4c8fa944b52be47065d35e975fb5517414037b
--- /dev/null
+++ b/pkg/analysis_services/lib/index/local_memory_index.dart
@@ -0,0 +1,14 @@
+// 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.memory_file_index;
+
+import 'package:analysis_services/index/index.dart';
+import 'package:analysis_services/src/index/local_index.dart';
+import 'package:analysis_services/src/index/store/memory_node_manager.dart';
+
+
+Index createLocalMemoryIndex() {
+  return new LocalIndex(new MemoryNodeManager());
+}