add voice interaction shortcut.

chrome/browser/chromeos/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/features.gni")
 import("//build/config/ui.gni")
 import("//extensions/features/features.gni")
 import("//media/media_options.gni")
 import("//printing/features/features.gni")
 import("//third_party/protobuf/proto_library.gni")
@@ skipping 216 matching lines @@
     "arc/arc_play_store_enabled_preference_handler.cc",
     "arc/arc_play_store_enabled_preference_handler.h",
     "arc/arc_service_launcher.cc",
     "arc/arc_service_launcher.h",
     "arc/arc_session_manager.cc",
     "arc/arc_session_manager.h",
     "arc/arc_support_host.cc",
     "arc/arc_support_host.h",
     "arc/arc_util.cc",
     "arc/arc_util.h",
+    "arc/arc_voice_interaction_service.cc",

[Luis Héctor Chávez, 2017/03/13 17:39:34]

nit: can you move these files to a new directory? arc/voice_interaction sounds
like a good candidate.

+    "arc/arc_voice_interaction_service.h",
     "arc/auth/arc_active_directory_enrollment_token_fetcher.cc",
     "arc/auth/arc_active_directory_enrollment_token_fetcher.h",
     "arc/auth/arc_auth_info_fetcher.h",
     "arc/auth/arc_background_auth_code_fetcher.cc",
     "arc/auth/arc_background_auth_code_fetcher.h",
     "arc/auth/arc_manual_auth_code_fetcher.cc",
     "arc/auth/arc_manual_auth_code_fetcher.h",
     "arc/auth/arc_robot_auth_code_fetcher.cc",
     "arc/auth/arc_robot_auth_code_fetcher.h",
     "arc/boot_phase_monitor/arc_boot_phase_monitor_bridge.cc",
@@ skipping 1550 matching lines @@
     "policy/proto/chrome_device_policy.proto",
     "policy/proto/install_attributes.proto",
   ]
 }
 
 proto_library("attestation_proto") {
   sources = [
     "attestation/attestation_key_payload.proto",
   ]
 }