mus: Introduce AcceleratorRegistrar and AcceleratorHandler.

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") {
   testonly = true
   deps = [
     ":apptests",
   ]
 }
 
 source_set("lib") {
   sources = [
+    "accelerator_registrar_impl.cc",
+    "accelerator_registrar_impl.h",
     "background_layout.cc",
     "background_layout.h",
     "frame/caption_buttons/caption_button_types.h",
     "frame/caption_buttons/frame_caption_button.cc",
     "frame/caption_buttons/frame_caption_button.h",
     "frame/caption_buttons/frame_caption_button_container_view.cc",
     "frame/caption_buttons/frame_caption_button_container_view.h",
     "frame/default_header_painter.cc",
     "frame/default_header_painter.h",
     "frame/frame_border_hit_test_controller.cc",
@@ skipping 133 matching lines @@
     "//mojo/public/cpp/system",
     "//testing/gtest",
     "//third_party/mojo/src/mojo/edk/system",
     "//ui/events",
     "//ui/gfx:test_support",
     "//ui/gfx/geometry",
     "//ui/mojo/geometry:interfaces",
     "//ui/mojo/geometry:util",
   ]
 }