Readd the clipboard service and get it compiling again.

components/mus/BUILD.gn

 # Copyright 2015 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 import("//build/config/ui.gni")
 import("//testing/test.gni")
 import("//mojo/public/mojo_application.gni")
 import("//mojo/public/mojo_application_manifest.gni")
 import("//mojo/public/mojo_constants.gni")
 import("//tools/grit/repack.gni")
@@ skipping 65 matching lines @@
     "mus_app.h",
   ]
 
   public_deps = [
     "//components/mus/common:mus_common",
   ]
   deps = [
     "//base",
     "//cc",
     "//cc/surfaces",
+    "//components/mus/clipboard:lib",
     "//components/mus/gles2",
     "//components/mus/gpu",
     "//components/mus/public/interfaces",
     "//components/mus/surfaces",
     "//components/mus/ws:lib",
     "//components/mus/ws:test_interface",
     "//mojo/common:common_base",
     "//services/catalog/public/cpp",
     "//services/shell/public/cpp",
     "//services/tracing/public/cpp",
@@ skipping 36 matching lines @@
 
 repack("resources_200") {
   sources = [
     "$root_gen_dir/ui/resources/ui_resources_200_percent.pak",
   ]
   output = "$root_out_dir/mus_app_resources_200.pak"
   deps = [
     "//ui/resources",
   ]
 }