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

device/generic_sensor/public/cpp/platform_sensor_configuration.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/public/cpp/platform_sensor_configuration.h"
+
+#include "device/generic_sensor/public/interfaces/sensor.mojom.h"
+
+namespace device {
+
+PlatformSensorConfiguration::PlatformSensorConfiguration(double frequency)
+    : frequency_(frequency) {
+  DCHECK(frequency_ <= mojom::SensorConfiguration::kMaxAllowedFrequency &&
+         frequency_ > 0.0);
+}
+
+PlatformSensorConfiguration::PlatformSensorConfiguration() = default;
+PlatformSensorConfiguration::~PlatformSensorConfiguration() = default;
+
+void PlatformSensorConfiguration::set_frequency(double frequency) {
+  DCHECK(frequency_ <= mojom::SensorConfiguration::kMaxAllowedFrequency &&
+         frequency_ > 0.0);
+  frequency_ = frequency;
+}
+
+bool PlatformSensorConfiguration::operator==(
+    const PlatformSensorConfiguration& other) const {
+  return frequency_ == other.frequency();
+}
+
+bool PlatformSensorConfiguration::operator>(
+    const PlatformSensorConfiguration& other) const {
+  return frequency() > other.frequency();
+}
+
+}  // namespace device