Revert "Revert "Use native async/await support in pub.""

sdk/lib/_internal/pub_generated/lib/src/command/get.dart

Index: sdk/lib/_internal/pub_generated/lib/src/command/get.dart
diff --git a/sdk/lib/_internal/pub_generated/lib/src/command/get.dart b/sdk/lib/_internal/pub_generated/lib/src/command/get.dart
deleted file mode 100644
index 70f75184ca0d4b52561608a1edb821d3bf735817..0000000000000000000000000000000000000000
--- a/sdk/lib/_internal/pub_generated/lib/src/command/get.dart
+++ /dev/null
@@ -1,38 +0,0 @@
-// Copyright (c) 2012, 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 pub.command.get;
-
-import 'dart:async';
-
-import '../command.dart';
-import '../solver/version_solver.dart';
-
-/// Handles the `get` pub command.
-class GetCommand extends PubCommand {
-  String get name => "get";
-  String get description => "Get the current package's dependencies.";
-  String get invocation => "pub get";
-  String get docUrl => "http://dartlang.org/tools/pub/cmd/pub-get.html";
-  List<String> get aliases => const ["install"];
-  bool get isOffline => argResults["offline"];
-
-  GetCommand() {
-    argParser.addFlag(
-        'offline',
-        help: 'Use cached packages instead of accessing the network.');
-
-    argParser.addFlag(
-        'dry-run',
-        abbr: 'n',
-        negatable: false,
-        help: "Report what dependencies would change but don't change any.");
-  }
-
-  Future run() {
-    return entrypoint.acquireDependencies(
-        SolveType.GET,
-        dryRun: argResults['dry-run']);
-  }
-}