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

device/generic_sensor/platform_sensor_accelerometer_mac.cc

Index: device/generic_sensor/platform_sensor_accelerometer_mac.cc
diff --git a/device/generic_sensor/platform_sensor_accelerometer_mac.cc b/device/generic_sensor/platform_sensor_accelerometer_mac.cc
deleted file mode 100644
index 19a7f2969ef1c10393ecdf9c0032fbd7d1583282..0000000000000000000000000000000000000000
--- a/device/generic_sensor/platform_sensor_accelerometer_mac.cc
+++ /dev/null
@@ -1,103 +0,0 @@
-// Copyright 2017 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_accelerometer_mac.h"
-
-#include <stdint.h>
-
-#include <cmath>
-
-#include "base/bind.h"
-#include "device/base/synchronization/shared_memory_seqlock_buffer.h"
-#include "device/generic_sensor/generic_sensor_consts.h"
-#include "device/generic_sensor/platform_sensor_provider_mac.h"
-#include "third_party/sudden_motion_sensor/sudden_motion_sensor_mac.h"
-
-namespace {
-
-constexpr double kMeanGravity = 9.80665;
-
-constexpr double kGravityThreshold = kMeanGravity * 0.01;
-
-bool IsSignificantlyDifferent(const device::SensorReading& reading1,
-                              const device::SensorReading& reading2) {
-  return (std::fabs(reading1.values[0] - reading2.values[0]) >=
-          kGravityThreshold) ||
-         (std::fabs(reading1.values[1] - reading2.values[1]) >=
-          kGravityThreshold) ||
-         (std::fabs(reading1.values[2] - reading2.values[2]) >=
-          kGravityThreshold);
-}
-
-}  // namespace
-
-namespace device {
-
-PlatformSensorAccelerometerMac::PlatformSensorAccelerometerMac(
-    mojo::ScopedSharedBufferMapping mapping,
-    PlatformSensorProvider* provider)
-    : PlatformSensor(mojom::SensorType::ACCELEROMETER,
-                     std::move(mapping),
-                     provider),
-      sudden_motion_sensor_(SuddenMotionSensor::Create()) {}
-
-PlatformSensorAccelerometerMac::~PlatformSensorAccelerometerMac() = default;
-
-mojom::ReportingMode PlatformSensorAccelerometerMac::GetReportingMode() {
-  return mojom::ReportingMode::ON_CHANGE;
-}
-
-bool PlatformSensorAccelerometerMac::CheckSensorConfiguration(
-    const PlatformSensorConfiguration& configuration) {
-  return configuration.frequency() > 0 &&
-         configuration.frequency() <=
-             mojom::SensorConfiguration::kMaxAllowedFrequency;
-}
-
-PlatformSensorConfiguration
-PlatformSensorAccelerometerMac::GetDefaultConfiguration() {
-  return PlatformSensorConfiguration(kDefaultAccelerometerFrequencyHz);
-}
-
-bool PlatformSensorAccelerometerMac::StartSensor(
-    const PlatformSensorConfiguration& configuration) {
-  if (!sudden_motion_sensor_)
-    return false;
-
-  float axis_value[3];
-  if (!sudden_motion_sensor_->ReadSensorValues(axis_value))
-    return false;
-
-  timer_.Start(
-      FROM_HERE,
-      base::TimeDelta::FromMicroseconds(base::Time::kMicrosecondsPerSecond /
-                                        configuration.frequency()),
-      this, &PlatformSensorAccelerometerMac::PollForData);
-
-  return true;
-}
-
-void PlatformSensorAccelerometerMac::StopSensor() {
-  timer_.Stop();
-}
-
-void PlatformSensorAccelerometerMac::PollForData() {
-  // Retrieve per-axis calibrated values.
-  float axis_value[3];
-  if (!sudden_motion_sensor_->ReadSensorValues(axis_value))
-    return;
-
-  SensorReading reading;
-  reading.timestamp = (base::TimeTicks::Now() - base::TimeTicks()).InSecondsF();
-  reading.values[0] = axis_value[0] * kMeanGravity;
-  reading.values[1] = axis_value[1] * kMeanGravity;
-  reading.values[2] = axis_value[2] * kMeanGravity;
-
-  if (IsSignificantlyDifferent(reading_, reading)) {
-    reading_ = reading;
-    UpdateSensorReading(reading, true);
-  }
-}
-
-}  // namespace device