Support focus highlight in Android window

components/arc/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("//mojo/public/tools/bindings/mojom.gni")
 import("//testing/test.gni")
 
 static_library("arc") {
   sources = [
     "arc_bridge_host_impl.cc",
@@ skipping 128 matching lines @@
     "common/arc_bridge.mojom",
     "common/audio.mojom",
     "common/auth.mojom",
     "common/bitmap.mojom",
     "common/bluetooth.mojom",
     "common/boot_phase_monitor.mojom",
     "common/clipboard.mojom",
     "common/crash_collector.mojom",
     "common/enterprise_reporting.mojom",
     "common/file_system.mojom",
+    "common/focus_highlight.mojom",
     "common/ime.mojom",
     "common/intent_helper.mojom",
     "common/kiosk.mojom",
     "common/metrics.mojom",
     "common/notifications.mojom",
     "common/obb_mounter.mojom",
     "common/policy.mojom",
     "common/power.mojom",
     "common/print.mojom",
     "common/process.mojom",
@@ skipping 69 matching lines @@
     "//testing/gtest",
     "//ui/aura",
     "//ui/aura:test_support",
     "//ui/base:test_support",
     "//ui/base/ime",
     "//ui/events",
     "//ui/events:dom_keycode_converter",
     "//url:url",
   ]
 }