chrome.hid : enrich device info with Top-Level collections usages

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 <libudev.h>
 
 #include <map>
@@ skipping 45 matching lines @@
   virtual scoped_refptr<HidConnection> Connect(const HidDeviceId& device_id)
       OVERRIDE;
 
   // Implements base::MessagePumpLibevent::Watcher
   virtual void OnFileCanReadWithoutBlocking(int fd) OVERRIDE;
   virtual void OnFileCanWriteWithoutBlocking(int fd) OVERRIDE;
 
  private:
   virtual ~HidServiceLinux();
 
+  static bool FindHidrawDevNode(udev_device* parent, std::string* result);
+
   void Enumerate();
   void PlatformAddDevice(udev_device* device);
   void PlatformRemoveDevice(udev_device* raw_dev);
 
   scoped_ptr<udev, UdevDeleter> udev_;
   scoped_ptr<udev_monitor, UdevMonitorDeleter> monitor_;
   int monitor_fd_;
   base::MessagePumpLibevent::FileDescriptorWatcher monitor_watcher_;
 
   DISALLOW_COPY_AND_ASSIGN(HidServiceLinux);
 };
 
 }  // namespace device
 
 #endif  // DEVICE_HID_HID_SERVICE_LINUX_H_