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

pkg/shelf/lib/src/hijack_exception.dart

Index: pkg/shelf/lib/src/hijack_exception.dart
diff --git a/pkg/shelf/lib/src/hijack_exception.dart b/pkg/shelf/lib/src/hijack_exception.dart
deleted file mode 100644
index 13c505444d64470ae7ccfd338e33eeb3825fc5c3..0000000000000000000000000000000000000000
--- a/pkg/shelf/lib/src/hijack_exception.dart
+++ /dev/null
@@ -1,21 +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.hijack_exception;
-
-/// An exception used to indicate that a request has been hijacked.
-///
-/// This shouldn't be captured by any code other than the Shelf adapter that
-/// created the hijackable request. Middleware that captures exceptions should
-/// make sure to pass on HijackExceptions.
-///
-/// See also [Request.hijack].
-class HijackException {
-  const HijackException();
-
-  String toString() =>
-      "A shelf request's underlying data stream was hijacked.\n"
-      "This exception is used for control flow and should only be handled by a "
-        "Shelf adapter.";
-}