Revert of Deletes mojo::Callback

components/mus/ws/BUILD.gn

 # Copyright 2014 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")
 
 source_set("lib") {
@@ skipping 83 matching lines @@
     "//cc",
     "//cc/ipc:interfaces",
     "//cc/surfaces",
     "//cc/surfaces:surface_id",
     "//components/mus/common:mus_common",
     "//components/mus/gles2",
     "//components/mus/public/cpp/surfaces",
     "//components/mus/public/interfaces",
     "//components/mus/surfaces",
     "//mojo/common:common_base",
-    "//mojo/public/cpp/bindings",
+    "//mojo/public/cpp/bindings:callback",
     "//services/shell/public/cpp",
     "//services/shell/public/interfaces",
     "//services/tracing/public/cpp",
     "//ui/base",
     "//ui/display",
     "//ui/events",
     "//ui/events/platform",
     "//ui/gfx",
     "//ui/gfx/geometry",
     "//ui/gfx/geometry/mojo",
@@ skipping 116 matching lines @@
 
   data_deps = [
     ":mus_ws_unittests_app_manifest",
   ]
 }
 
 mojo_application_manifest("mus_ws_unittests_app_manifest") {
   application_name = "mus_ws_unittests_app"
   source = "mus_ws_unittests_app_manifest.json"
 }