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

device/power_monitor/power_monitor_export.h

Index: device/power_monitor/power_monitor_export.h
diff --git a/device/power_monitor/power_monitor_export.h b/device/power_monitor/power_monitor_export.h
deleted file mode 100644
index ff6e367c57bde889e42cf012b1235896205e63dd..0000000000000000000000000000000000000000
--- a/device/power_monitor/power_monitor_export.h
+++ /dev/null
@@ -1,29 +0,0 @@
-// Copyright (c) 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.
-
-#ifndef DEVICE_POWER_MONITOR_POWER_MONITOR_EXPORT_H_
-#define DEVICE_POWER_MONITOR_POWER_MONITOR_EXPORT_H_
-
-#if defined(COMPONENT_BUILD)
-#if defined(WIN32)
-
-#if defined(DEVICE_POWER_MONITOR_IMPLEMENTATION)
-#define DEVICE_POWER_MONITOR_EXPORT __declspec(dllexport)
-#else
-#define DEVICE_POWER_MONITOR_EXPORT __declspec(dllimport)
-#endif  // defined(DEVICE_POWER_MONITOR_IMPLEMENTATION)
-
-#else  // defined(WIN32)
-#if defined(DEVICE_POWER_MONITOR_IMPLEMENTATION)
-#define DEVICE_POWER_MONITOR_EXPORT __attribute__((visibility("default")))
-#else
-#define DEVICE_POWER_MONITOR_EXPORT
-#endif
-#endif
-
-#else  // defined(COMPONENT_BUILD)
-#define DEVICE_POWER_MONITOR_EXPORT
-#endif
-
-#endif  // DEVICE_POWER_MONITOR_POWER_MONITOR_EXPORT_H_