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

device/generic_sensor/platform_sensor_provider_android.cc

-// 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 "device/generic_sensor/platform_sensor_provider_android.h"
-
-#include "base/android/scoped_java_ref.h"
-#include "base/memory/singleton.h"
-#include "device/generic_sensor/platform_sensor_android.h"
-#include "jni/PlatformSensorProvider_jni.h"
-
-using base::android::AttachCurrentThread;
-using base::android::ScopedJavaLocalRef;
-
-namespace device {
-
-// static
-PlatformSensorProviderAndroid* PlatformSensorProviderAndroid::GetInstance() {
-  return base::Singleton<
-      PlatformSensorProviderAndroid,
-      base::LeakySingletonTraits<PlatformSensorProviderAndroid>>::get();
-}
-
-PlatformSensorProviderAndroid::PlatformSensorProviderAndroid() {
-  JNIEnv* env = AttachCurrentThread();
-  j_object_.Reset(Java_PlatformSensorProvider_create(env));
-}
-
-PlatformSensorProviderAndroid::~PlatformSensorProviderAndroid() = default;
-
-void PlatformSensorProviderAndroid::CreateSensorInternal(
-    mojom::SensorType type,
-    mojo::ScopedSharedBufferMapping mapping,
-    const CreateSensorCallback& callback) {
-  JNIEnv* env = AttachCurrentThread();
-  ScopedJavaLocalRef<jobject> sensor = Java_PlatformSensorProvider_createSensor(
-      env, j_object_.obj(), static_cast<jint>(type));
-
-  if (!sensor.obj())
-    callback.Run(nullptr);
-
-  scoped_refptr<PlatformSensorAndroid> concrete_sensor =
-      new PlatformSensorAndroid(type, std::move(mapping), this, sensor);
-  callback.Run(concrete_sensor);
-}
-
-}  // namespace device