Start pulling pub from its own repo.

sdk/lib/_internal/pub/test/run/app_can_read_from_stdin_test.dart

Index: sdk/lib/_internal/pub/test/run/app_can_read_from_stdin_test.dart
diff --git a/sdk/lib/_internal/pub/test/run/app_can_read_from_stdin_test.dart b/sdk/lib/_internal/pub/test/run/app_can_read_from_stdin_test.dart
deleted file mode 100644
index 933de2c1d9a4433ea9736005ffebe48f700ea0be..0000000000000000000000000000000000000000
--- a/sdk/lib/_internal/pub/test/run/app_can_read_from_stdin_test.dart
+++ /dev/null
@@ -1,41 +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.
-
-import '../descriptor.dart' as d;
-import '../test_pub.dart';
-
-const SCRIPT = """
-import 'dart:io';
-
-main() {
-  print("started");
-  var line1 = stdin.readLineSync();
-  print("between");
-  var line2 = stdin.readLineSync();
-  print(line1);
-  print(line2);
-}
-""";
-
-main() {
-  initConfig();
-  integration('the spawned application can read from stdin', () {
-    d.dir(appPath, [
-      d.appPubspec(),
-      d.dir("bin", [
-        d.file("script.dart", SCRIPT)
-      ])
-    ]).create();
-
-    var pub = pubRun(args: ["bin/script"]);
-
-    pub.stdout.expect("started");
-    pub.writeLine("first");
-    pub.stdout.expect("between");
-    pub.writeLine("second");
-    pub.stdout.expect("first");
-    pub.stdout.expect("second");
-    pub.shouldExit(0);
-  });
-}