mash: Add a couple of apptests for AcceleratorRegistrar.

mash/wm/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("//mojo/public/mojo_application.gni")
 import("//mojo/public/tools/bindings/mojom.gni")
 import("//tools/grit/repack.gni")
 
 group("tests") {
@@ skipping 108 matching lines @@
     "//ui/views/mus:resources",
     "//ui/views/resources",
   ]
 }
 
 mojo_native_application("apptests") {
   output_name = "mash_wm_apptests"
   testonly = true
 
   sources = [
+    "accelerator_registrar_apptest.cc",
     "window_manager_apptest.cc",
   ]
 
   deps = [
     "//base",
     "//base/test:test_config",
     "//components/mus/public/cpp",
     "//components/mus/public/cpp/tests:test_support",
     "//components/mus/public/interfaces",
     "//mojo/application/public/cpp:sources",
@@ skipping 31 matching lines @@
     "//testing/gtest",
     "//third_party/mojo/src/mojo/edk/system",
     "//ui/base",
     "//ui/events",
     "//ui/gfx:test_support",
     "//ui/gfx/geometry",
     "//ui/mojo/geometry:interfaces",
     "//ui/mojo/geometry:util",
   ]
 }