[DeviceService] Move PowerMonitor interfaces, client lib, impl to live in Device Service

device/power_monitor/public/cpp/power_monitor_broadcast_source.cc

-// Copyright (c) 2013 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/power_monitor/public/cpp/power_monitor_broadcast_source.h"
-
-#include "base/location.h"
-#include "base/macros.h"
-#include "mojo/public/cpp/bindings/binding.h"
-
-namespace device {
-
-PowerMonitorBroadcastSource::PowerMonitorBroadcastSource(
-    service_manager::InterfaceProvider* interface_provider)
-    : last_reported_battery_power_state_(false), binding_(this) {
-  if (interface_provider) {
-    device::mojom::PowerMonitorPtr power_monitor;
-    interface_provider->GetInterface(mojo::MakeRequest(&power_monitor));
-    power_monitor->SetClient(binding_.CreateInterfacePtrAndBind());
-  }
-}
-
-PowerMonitorBroadcastSource::~PowerMonitorBroadcastSource() {}
-
-bool PowerMonitorBroadcastSource::IsOnBatteryPowerImpl() {
-  return last_reported_battery_power_state_;
-}
-
-void PowerMonitorBroadcastSource::PowerStateChange(bool on_battery_power) {
-  last_reported_battery_power_state_ = on_battery_power;
-  ProcessPowerEvent(PowerMonitorSource::POWER_STATE_EVENT);
-}
-
-void PowerMonitorBroadcastSource::Suspend() {
-  ProcessPowerEvent(PowerMonitorSource::SUSPEND_EVENT);
-}
-
-void PowerMonitorBroadcastSource::Resume() {
-  ProcessPowerEvent(PowerMonitorSource::RESUME_EVENT);
-}
-
-}  // namespace device