[sensors] Introduce Generic Sensor API interfaces

device/generic_sensor/sensor_service.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 DEVICE_GENERIC_SENSOR_SENSOR_SERVICE_H_
+#define DEVICE_GENERIC_SENSOR_SENSOR_SERVICE_H_
+
+#include "base/macros.h"
+#include "base/memory/ref_counted.h"
+#include "device/generic_sensor/public/interfaces/sensor_provider.mojom.h"
+#include "device/generic_sensor/sensor_export.h"
+
+namespace base {
+class SingleThreadTaskRunner;
+}
+
+namespace device {
+
+// The SensorService binds a request for the SensorProvider interface to
+// an internal implementation of SensorProvider.
+class SensorService {

[Ken Rockot(use gerrit already), 2016/08/18 19:36:00]

I don't think we need SensorService or this h/cc file. Please just use
SensorProviderImpl directly in content

[Mikhail, 2016/08/19 09:29:56]

Done.

+ public:
+  DEVICE_SENSOR_EXPORT static void BindRequest(
+      const scoped_refptr<base::SingleThreadTaskRunner>& task_runner,
+      mojo::InterfaceRequest<mojom::SensorProvider> request);
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(SensorService);
+};
+
+}  // namespace device
+
+#endif  // DEVICE_GENERIC_SENSOR_SENSOR_SERVICE_H_