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

services/device/generic_sensor/fake_platform_sensor_provider.cc

Index: services/device/generic_sensor/fake_platform_sensor_provider.cc
diff --git a/services/device/generic_sensor/fake_platform_sensor_provider.cc b/services/device/generic_sensor/fake_platform_sensor_provider.cc
deleted file mode 100644
index db7acfb322cb8647b03f982629e7d8b6f78894a3..0000000000000000000000000000000000000000
--- a/services/device/generic_sensor/fake_platform_sensor_provider.cc
+++ /dev/null
@@ -1,25 +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 "base/memory/singleton.h"
-
-#include "services/device/generic_sensor/fake_platform_sensor.h"
-#include "services/device/generic_sensor/fake_platform_sensor_provider.h"
-
-namespace device {
-
-FakePlatformSensorProvider::FakePlatformSensorProvider() = default;
-
-FakePlatformSensorProvider::~FakePlatformSensorProvider() = default;
-
-void FakePlatformSensorProvider::CreateSensorInternal(
-    mojom::SensorType type,
-    mojo::ScopedSharedBufferMapping mapping,
-    const CreateSensorCallback& callback) {
-  scoped_refptr<FakePlatformSensor> sensor =
-      new FakePlatformSensor(type, std::move(mapping), this);
-  callback.Run(std::move(sensor));
-}
-
-}  // namespace device