Rationalize Dart mojo and sky package structure

mojo/public/dart/io.dart

Index: mojo/public/dart/io.dart
diff --git a/mojo/public/dart/io.dart b/mojo/public/dart/io.dart
deleted file mode 100644
index 7596c745b26f5e1df0c9f1e8b4650ecdd92536b6..0000000000000000000000000000000000000000
--- a/mojo/public/dart/io.dart
+++ /dev/null
@@ -1,49 +0,0 @@
-// Copyright 2015 The Chromium Authors. 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.io;
-
-import 'dart:async';
-import 'dart:collection' show HashMap,
-                              HashSet,
-                              Queue,
-                              ListQueue,
-                              LinkedList,
-                              LinkedListEntry,
-                              UnmodifiableMapView;
-import 'dart:convert';
-import 'dart:isolate';
-import 'dart:math';
-import 'dart:typed_data';
-
-
-part '../../../dart/sdk/lib/io/bytes_builder.dart';
-part '../../../dart/sdk/lib/io/common.dart';
-part '../../../dart/sdk/lib/io/crypto.dart';
-part '../../../dart/sdk/lib/io/data_transformer.dart';
-part '../../../dart/sdk/lib/io/directory.dart';
-part '../../../dart/sdk/lib/io/directory_impl.dart';
-part '../../../dart/sdk/lib/io/file.dart';
-part '../../../dart/sdk/lib/io/file_impl.dart';
-part '../../../dart/sdk/lib/io/file_system_entity.dart';
-part '../../../dart/sdk/lib/io/http.dart';
-part '../../../dart/sdk/lib/io/http_date.dart';
-part '../../../dart/sdk/lib/io/http_headers.dart';
-part '../../../dart/sdk/lib/io/http_impl.dart';
-part '../../../dart/sdk/lib/io/http_parser.dart';
-part '../../../dart/sdk/lib/io/http_session.dart';
-part '../../../dart/sdk/lib/io/io_sink.dart';
-part '../../../dart/sdk/lib/io/io_service.dart';
-part '../../../dart/sdk/lib/io/link.dart';
-part '../../../dart/sdk/lib/io/platform.dart';
-part '../../../dart/sdk/lib/io/platform_impl.dart';
-part '../../../dart/sdk/lib/io/process.dart';
-part '../../../dart/sdk/lib/io/service_object.dart';
-part '../../../dart/sdk/lib/io/socket.dart';
-part '../../../dart/sdk/lib/io/stdio.dart';
-part '../../../dart/sdk/lib/io/string_transformer.dart';
-part '../../../dart/sdk/lib/io/secure_socket.dart';
-part '../../../dart/sdk/lib/io/secure_server_socket.dart';
-part '../../../dart/sdk/lib/io/websocket.dart';
-part '../../../dart/sdk/lib/io/websocket_impl.dart';