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

services/shape_detection/face_detection_provider_impl.h

+// 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.
+
+#ifndef SERVICES_SHAPE_DETECTION_FACE_DETECTION_PROVIDER_IMPL_H_
+#define SERVICES_SHAPE_DETECTION_FACE_DETECTION_PROVIDER_IMPL_H_
+
+#include "mojo/public/cpp/bindings/strong_binding.h"
+#include "services/shape_detection/public/interfaces/facedetection_provider.mojom.h"
+
+namespace shape_detection {
+
+class FaceDetectionProviderImpl
+    : public shape_detection::mojom::FaceDetectionProvider {
+ public:
+  ~FaceDetectionProviderImpl() override = default;
+
+  static void Create(
+      shape_detection::mojom::FaceDetectionProviderRequest request) {
+    mojo::MakeStrongBinding(base::MakeUnique<FaceDetectionProviderImpl>(),
+                            std::move(request));
+  }
+
+  void CreateFaceDetection(
+      shape_detection::mojom::FaceDetectionRequest request,
+      shape_detection::mojom::FaceDetectorOptionsPtr options) override;
+};
+
+}  // namespace shape_detection
+
+#endif  // SERVICES_SHAPE_DETECTION_FACE_DETECTION_PROVIDER_IMPL_H_