Revert of Move //device/generic_sensor to be part of the internal implementation of the Device Service.

services/device/generic_sensor/platform_sensor_provider_mac.cc

Index: services/device/generic_sensor/platform_sensor_provider_mac.cc
diff --git a/services/device/generic_sensor/platform_sensor_provider_mac.cc b/services/device/generic_sensor/platform_sensor_provider_mac.cc
deleted file mode 100644
index 2fdfb1d48d399d8b3ab146ed4a7c36358e29a112..0000000000000000000000000000000000000000
--- a/services/device/generic_sensor/platform_sensor_provider_mac.cc
+++ /dev/null
@@ -1,47 +0,0 @@
-// 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.
-
-#include "services/device/generic_sensor/platform_sensor_provider_mac.h"
-
-#include "base/memory/singleton.h"
-#include "services/device/generic_sensor/platform_sensor_accelerometer_mac.h"
-#include "services/device/generic_sensor/platform_sensor_ambient_light_mac.h"
-
-namespace device {
-
-// static
-PlatformSensorProviderMac* PlatformSensorProviderMac::GetInstance() {
-  return base::Singleton<
-      PlatformSensorProviderMac,
-      base::LeakySingletonTraits<PlatformSensorProviderMac>>::get();
-}
-
-PlatformSensorProviderMac::PlatformSensorProviderMac() = default;
-
-PlatformSensorProviderMac::~PlatformSensorProviderMac() = default;
-
-void PlatformSensorProviderMac::CreateSensorInternal(
-    mojom::SensorType type,
-    mojo::ScopedSharedBufferMapping mapping,
-    const CreateSensorCallback& callback) {
-  // Create Sensors here.
-  switch (type) {
-    case mojom::SensorType::AMBIENT_LIGHT: {
-      scoped_refptr<PlatformSensor> sensor =
-          new PlatformSensorAmbientLightMac(std::move(mapping), this);
-      callback.Run(std::move(sensor));
-      break;
-    }
-    case mojom::SensorType::ACCELEROMETER: {
-      callback.Run(base::MakeRefCounted<PlatformSensorAccelerometerMac>(
-          std::move(mapping), this));
-      break;
-    }
-    default:
-      NOTIMPLEMENTED();
-      callback.Run(nullptr);
-  }
-}
-
-}  // namespace device