Simplify mojo_shell since it's now only used for Mandoline.

mojo/services/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")
 
 group("services") {
   deps = [
     "//mojo/services/network/public/interfaces",
     "//third_party/mojo_services/src/clipboard/public/interfaces",
     "//third_party/mojo_services/src/content_handler/public/interfaces",
     "//third_party/mojo_services/src/geometry/public/interfaces",
     "//third_party/mojo_services/src/input_events/public/interfaces",
     "//third_party/mojo_services/src/native_viewport/public/interfaces",
     "//third_party/mojo_services/src/navigation/public/interfaces",
     "//third_party/mojo_services/src/surfaces/public/interfaces",
     "//third_party/mojo_services/src/view_manager/public/interfaces",
   ]
 
   if (!is_component_build) {
     deps += [
       "//mojo/services/clipboard",
       "//mojo/services/html_viewer",
-      "//mojo/services/kiosk_wm",
+      "//mojo/services/kiosk_wm:window_manager",
       "//mojo/services/native_viewport",
       "//mojo/services/network",
       "//mojo/services/surfaces",
       "//mojo/services/tracing",
       "//mojo/services/view_manager",
     ]
 
     # TODO(GYP): Make this work.
     if (is_mac) {
       deps -= [
         "//mojo/services/html_viewer",
-        "//mojo/services/kiosk_wm",
+        "//mojo/services/kiosk_wm:window_manager",
         "//mojo/services/native_viewport",
         "//mojo/services/view_manager",
       ]
     }
   }
 }