Revert of [sensors] Ambient light sensor implementation for ChromeOS and Linux.

device/generic_sensor/linux/sensor_data_linux.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/linux/sensor_data_linux.h"
-#include "device/sensors/public/cpp/device_sensors_consts.h"
-
-namespace device {
-
-namespace {
-
-using mojom::SensorType;
-
-const base::FilePath::CharType* kSensorsBasePath =
-    FILE_PATH_LITERAL("/sys/bus/iio/devices");
-
-const std::string kAmbientLightFileNames[] = {
-    "in_illuminance0_input", "in_illuminance_input", "in_illuminance0_raw",
-    "in_illuminance_raw", "illuminance0_input"};
-
-}  // namespace
-
-SensorDataLinux::SensorDataLinux() : base_path_sensor_linux(kSensorsBasePath) {}
-
-SensorDataLinux::~SensorDataLinux() = default;
-
-SensorDataLinux::SensorDataLinux(const SensorDataLinux& other) = default;
-
-bool InitSensorData(SensorType type, SensorDataLinux* data) {
-  DCHECK(data);
-
-  switch (type) {
-    case SensorType::AMBIENT_LIGHT: {
-      std::vector<std::string> file_names(
-          kAmbientLightFileNames,
-          kAmbientLightFileNames + arraysize(kAmbientLightFileNames));
-      data->sensor_file_names.push_back(std::move(file_names));
-      data->reporting_mode = mojom::ReportingMode::ON_CHANGE;
-      data->default_configuration =
-          PlatformSensorConfiguration(kDefaultAmbientLightFrequencyHz);
-      break;
-    }
-    default: {
-      NOTIMPLEMENTED();
-      return false;
-    }
-  }
-  return true;
-}
-
-}  // namespace device