Add a "pub deploy" command.

sdk/lib/_internal/pub/test/deploy/copies_non_dart_files_to_deploy.dart

Index: sdk/lib/_internal/pub/test/deploy/copies_non_dart_files_to_deploy.dart
diff --git a/sdk/lib/_internal/pub/test/deploy/copies_non_dart_files_to_deploy.dart b/sdk/lib/_internal/pub/test/deploy/copies_non_dart_files_to_deploy.dart
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index 0000000000000000000000000000000000000000..2602b2bab4f811cfa53891e7b3949b9ef47e0df5
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+++ b/sdk/lib/_internal/pub/test/deploy/copies_non_dart_files_to_deploy.dart
@@ -0,0 +1,43 @@
+// Copyright (c) 2013, 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';
+
+main() {
+  initConfig();
+
+  integration("copies non-Dart files to deploy/", () {
+    servePackages([packageMap("browser", "1.0.0")]);
+
+    d.dir(appPath, [
+      // A browser dependency with no entrypoints shouldn't cause dart.js to be
+      // copied in.
+      d.appPubspec([dependencyMap("browser", "1.0.0")]),
+      d.dir('web', [
+        d.file('file.txt', 'contents'),
+        d.dir('subdir', [
+          d.file('subfile.txt', 'subcontents')
+        ])
+      ])
+    ]).create();
+
+    schedulePub(args: ["deploy"],
+        output: '''
+Finding entrypoints...
+Copying   web/ => deploy/
+''',
+        exitCode: 0);
+
+    d.dir(appPath, [
+      d.dir('deploy', [
+        d.nothing('packages'),
+        d.file('file.txt', 'contents'),
+        d.dir('subdir', [
+          d.file('subfile.txt', 'subcontents')
+        ])
+      ])
+    ]).validate();
+  });
+}