Support permission_broker for chrome.hid devices.

device/hid/hid_service_linux.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_SERVICE_LINUX_H_
 #define DEVICE_HID_HID_SERVICE_LINUX_H_
 
 #include "base/compiler_specific.h"
 #include "base/macros.h"
+#include "base/memory/weak_ptr.h"
 #include "device/hid/device_monitor_linux.h"
 #include "device/hid/hid_device_info.h"
 #include "device/hid/hid_service.h"
 
 struct udev_device;
 
 namespace device {
 
 class HidConnection;
 
 class HidServiceLinux : public HidService,
                         public DeviceMonitorLinux::Observer {
  public:
-  HidServiceLinux();
+  HidServiceLinux(scoped_refptr<base::MessageLoopProxy> ui_message_loop);
 
   virtual scoped_refptr<HidConnection> Connect(const HidDeviceId& device_id)
       OVERRIDE;
 
   // Implements DeviceMonitorLinux::Observer:
   virtual void OnDeviceAdded(udev_device* device) OVERRIDE;
   virtual void OnDeviceRemoved(udev_device* device) OVERRIDE;
 
  private:
   virtual ~HidServiceLinux();
 
+  void OnRequestAccessComplete(
+      const std::string& path,
+      scoped_ptr<HidDeviceInfo> device_info,
+      bool success);
+
+  scoped_refptr<base::MessageLoopProxy> ui_message_loop_;
+
+  base::WeakPtrFactory<HidServiceLinux> weak_factory_;
+
   DISALLOW_COPY_AND_ASSIGN(HidServiceLinux);
 };
 
 }  // namespace device
 
 #endif  // DEVICE_HID_HID_SERVICE_LINUX_H_