Add udev_device_new_from_subsystem_sysname to udev, for use in Web MIDI on Linux

build/linux/system.gyp

 # Copyright (c) 2012 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.
 
 {
   'variables': {
     'conditions': [
       ['sysroot!=""', {
         'pkg-config': '<(chroot_cmd) ./pkg-config-wrapper "<(sysroot)" "<(target_arch)" "<(system_libdir)"',
       }, {
@@ skipping 45 matching lines @@
       'udev_device_get_action',
       'udev_device_get_devnode',
       'udev_device_get_parent',
       'udev_device_get_parent_with_subsystem_devtype',
       'udev_device_get_property_value',
       'udev_device_get_subsystem',
       'udev_device_get_sysattr_value',
       'udev_device_get_sysname',
       'udev_device_get_syspath',
       'udev_device_new_from_devnum',
+      'udev_device_new_from_subsystem_sysname',
       'udev_device_new_from_syspath',
       'udev_device_unref',
       'udev_enumerate_add_match_subsystem',
       'udev_enumerate_get_list_entry',
       'udev_enumerate_new',
       'udev_enumerate_scan_devices',
       'udev_enumerate_unref',
       'udev_list_entry_get_next',
       'udev_list_entry_get_name',
       'udev_monitor_enable_receiving',
@@ skipping 1111 matching lines @@
                   '-Wno-header-guard',
                 ],
               },
             }],
           ]
         }],
       ],
     },
   ],
 }