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

services/shape_detection/face_detection_impl.h

+// Copyright 2016 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_IMPL_H_
+#define SERVICES_SHAPE_DETECTION_FACE_DETECTION_IMPL_H_
+
+#include "third_party/WebKit/public/platform/modules/shapedetection/facedetection.mojom.h"
+
+namespace shape_detection {
+
+class FaceDetectionImpl : public blink::mojom::FaceDetection {
+ public:
+  static void Create(blink::mojom::FaceDetectionRequest request);
+};
+
+}  // namespace shape_detection
+
+#endif  // SERVICES_SHAPE_DETECTION_FACE_DETECTION_IMPL_H_