Pull args, intl, logging, shelf, and source_maps out of the SDK.

pkg/shelf/lib/src/handler.dart

Index: pkg/shelf/lib/src/handler.dart
diff --git a/pkg/shelf/lib/src/handler.dart b/pkg/shelf/lib/src/handler.dart
deleted file mode 100644
index 6ac3d3129c308855b3dac48088315de6b5e507b8..0000000000000000000000000000000000000000
--- a/pkg/shelf/lib/src/handler.dart
+++ /dev/null
@@ -1,16 +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 shelf.typedef;
-
-import 'request.dart';
-
-/// The signature of a function which handles a [Request].
-///
-/// A [Handler] may receive a request directly from an HTTP server or it
-/// may be composed as part of a larger application.
-///
-/// Should return [Response] or [Future<Response>].
-//TODO(kevmoo): provide a more detailed explanation.
-typedef Handler(Request request);