Add EventTargeterDelegate for EventTargeter in mus-ws.

services/ui/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("//services/catalog/public/tools/catalog.gni")
 import("//services/service_manager/public/cpp/service.gni")
 import("//services/service_manager/public/service_manifest.gni")
 import("//services/service_manager/public/tools/test/service_test.gni")
@@ skipping 30 matching lines @@
     "drag_cursor_updater.h",
     "drag_source.h",
     "drag_target_connection.h",
     "event_dispatcher.cc",
     "event_dispatcher.h",
     "event_dispatcher_delegate.h",
     "event_matcher.cc",
     "event_matcher.h",
     "event_targeter.cc",
     "event_targeter.h",
+    "event_targeter_delegate.h",
     "focus_controller.cc",
     "focus_controller.h",
     "focus_controller_delegate.h",
     "focus_controller_observer.h",
     "frame_generator.cc",
     "frame_generator.h",
     "gpu_client.cc",
     "gpu_client.h",
     "gpu_host.cc",
     "gpu_host.h",
@@ skipping 237 matching lines @@
 
 service_manifest("unittests_manifest") {
   name = "ui_service_unittests"
   source = "test_manifest.json"
 }
 
 catalog("tests_catalog") {
   testonly = true
   embedded_services = [ ":unittests_manifest" ]
 }