Fix a TODO in GN file

services/ui/clipboard/BUILD.gn

 # Copyright 2016 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("//services/catalog/public/tools/catalog.gni")
 import("//services/service_manager/public/cpp/service.gni")
 import("//services/service_manager/public/service_manifest.gni")
 import("//services/service_manager/public/tools/test/service_test.gni")
 import("//testing/test.gni")
 
@@ skipping 22 matching lines @@
 service_test("mus_clipboard_unittests") {
   sources = [
     "clipboard_unittest.cc",
   ]
 
   catalog = ":mus_clipboard_unittests_catalog"
 
   deps = [
     "//base",
     "//mojo/common",
+    "//services/service_manager/public/cpp",
     "//services/service_manager/public/cpp:service_test_support",
-    "//services/service_manager/public/cpp:sources",
     "//services/ui/public/interfaces",
   ]
 
   data_deps = [
     ":lib",
     "//services/ui",
   ]
 }
 
 service_manifest("test_manifest") {
   name = "mus_clipboard_unittests"
   source = "test_manifest.json"
 }
 
 catalog("mus_clipboard_unittests_catalog") {
   embedded_services = [ ":test_manifest" ]
   standalone_services = [ "//services/ui:manifest" ]
 }