Shape detection service: Add QR detection in Mac

services/shape_detection/shape_detection_service.cc

 // Copyright 2017 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.
 
 #include "services/shape_detection/shape_detection_service.h"
 
 #include "base/macros.h"
 #include "services/service_manager/public/cpp/interface_registry.h"
 #include "services/service_manager/public/cpp/service_context.h"
+#include "services/shape_detection/barcode_detection_impl.h"
 #include "services/shape_detection/face_detection_provider_impl.h"
 
 namespace shape_detection {
 
 namespace {
 
 void OnConnectionLost(std::unique_ptr<service_manager::ServiceContextRef> ref) {
   // No-op. This merely takes ownership of |ref| so it can be destroyed when
   // this function is invoked.
 }
@@ skipping 15 matching lines @@
 
 bool ShapeDetectionService::OnConnect(
     const service_manager::ServiceInfo& remote_info,
     service_manager::InterfaceRegistry* registry) {
   // Add a reference to the service and tie it to the lifetime of the
   // InterfaceRegistry's connection.
   std::unique_ptr<service_manager::ServiceContextRef> connection_ref =
       ref_factory_->CreateRef();
   registry->AddConnectionLostClosure(
       base::Bind(&OnConnectionLost, base::Passed(&connection_ref)));
+  registry->AddInterface(base::Bind(&BarcodeDetectionImpl::Create));
   registry->AddInterface(base::Bind(&FaceDetectionProviderImpl::Create));
   return true;
 }
 
 bool ShapeDetectionService::OnStop() {
   return true;
 }
 
 }  // namespace shape_detection