Revert of Shape Detection: Implement FaceDetection on Mac as out-of-process service

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/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.
-}
-}
-
-std::unique_ptr<service_manager::Service> ShapeDetectionService::Create() {
-  return base::MakeUnique<ShapeDetectionService>();
-}
-
-ShapeDetectionService::ShapeDetectionService() = default;
-
-ShapeDetectionService::~ShapeDetectionService() = default;
-
-void ShapeDetectionService::OnStart() {
-  ref_factory_.reset(new service_manager::ServiceContextRefFactory(
-      base::Bind(&service_manager::ServiceContext::RequestQuit,
-                 base::Unretained(context()))));
-}
-
-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(&FaceDetectionProviderImpl::Create));
-  return true;
-}
-
-bool ShapeDetectionService::OnStop() {
-  return true;
-}
-
-}  // namespace shape_detection