Implement rudimentary touchscreen support in mus.

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 40 matching lines @@
     "server_window_delegate.h",
     "server_window_drawn_tracker.cc",
     "server_window_drawn_tracker.h",
     "server_window_drawn_tracker_observer.h",
     "server_window_observer.h",
     "server_window_surface.cc",
     "server_window_surface.h",
     "server_window_surface_manager.cc",
     "server_window_surface_manager.h",
     "server_window_tracker.h",
+    "touch_controller.cc",
+    "touch_controller.h",
     "user_display_manager.cc",
     "user_display_manager.h",
     "user_id.h",
     "user_id_tracker.cc",
     "user_id_tracker.h",
     "user_id_tracker_observer.h",
     "window_coordinate_conversions.cc",
     "window_coordinate_conversions.h",
     "window_finder.cc",
     "window_finder.h",
@@ skipping 32 matching lines @@
     "//components/mus/public/interfaces",
     "//components/mus/surfaces",
     "//mojo/common:common_base",
     "//mojo/public/cpp/bindings",
     "//services/shell/public/cpp",
     "//services/shell/public/interfaces",
     "//services/tracing/public/cpp",
     "//ui/base",
     "//ui/display",
     "//ui/events",
+    "//ui/events/devices",
     "//ui/events/platform",
     "//ui/gfx",
     "//ui/gfx/geometry",
     "//ui/gfx/geometry/mojo",
     "//ui/gl",
     "//ui/platform_window",
     "//ui/platform_window:platform_impls",
     "//ui/platform_window/mojo",
   ]
 
@@ skipping 110 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"
 }