Revert 281282 "Revert 281133 "chrome.hid: enrich model with repo..."

trunk/src/device/hid/hid_utils_mac.h

-// Copyright 2014 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_HID_HID_UTILS_MAC_H_
-#define DEVICE_HID_HID_UTILS_MAC_H_
-
-#include <CoreFoundation/CoreFoundation.h>
-#include <IOKit/hid/IOHIDManager.h>
-#include <stdint.h>
-
-#include <string>
-
-namespace device {
-
-int32_t GetHidIntProperty(IOHIDDeviceRef device, CFStringRef key);
-
-std::string GetHidStringProperty(IOHIDDeviceRef device, CFStringRef key);
-
-bool TryGetHidIntProperty(IOHIDDeviceRef device,
-                          CFStringRef key,
-                          int32_t* result);
-
-bool TryGetHidStringProperty(IOHIDDeviceRef device,
-                             CFStringRef key,
-                             std::string* result);
-
-}  // namespace device
-
-#endif  // DEVICE_HID_HID_UTILS_MAC_H_