Shape detection service: Add QR detection in Mac

content/browser/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("//media/media_options.gni")
 import("//ppapi/features/features.gni")
 import("//printing/features/features.gni")
 import("//third_party/WebKit/public/public_features.gni")
@@ skipping 1294 matching lines @@
     "service_worker/service_worker_stream_reader.cc",
     "service_worker/service_worker_stream_reader.h",
     "service_worker/service_worker_unregister_job.cc",
     "service_worker/service_worker_unregister_job.h",
     "service_worker/service_worker_url_request_job.cc",
     "service_worker/service_worker_url_request_job.h",
     "service_worker/service_worker_version.cc",
     "service_worker/service_worker_version.h",
     "service_worker/service_worker_write_to_cache_job.cc",
     "service_worker/service_worker_write_to_cache_job.h",
-    "shapedetection/face_detection_service_dispatcher.h",
     "shared_worker/shared_worker_host.cc",
     "shared_worker/shared_worker_host.h",
     "shared_worker/shared_worker_instance.cc",
     "shared_worker/shared_worker_instance.h",
     "shared_worker/shared_worker_message_filter.cc",
     "shared_worker/shared_worker_message_filter.h",
     "shared_worker/shared_worker_service_impl.cc",
     "shared_worker/shared_worker_service_impl.h",
     "shared_worker/worker_document_set.cc",
     "shared_worker/worker_document_set.h",
@@ skipping 703 matching lines @@
   if (!is_component_build) {
     public_deps = [
       ":browser",
     ]
   } else {
     public_deps = [
       "//third_party/leveldatabase",
     ]
   }
 }