evdev: Support device hotplug with udev

ui/events/events.gyp

 # Copyright 2013 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': {
     'chromium_code': 1,
   },
   'targets': [
     {
@@ skipping 94 matching lines @@
         'gestures/gesture_point.h',
         'gestures/gesture_recognizer.h',
         'gestures/gesture_recognizer_impl.cc',
         'gestures/gesture_recognizer_impl.h',
         'gestures/gesture_sequence.cc',
         'gestures/gesture_sequence.h',
         'gestures/gesture_types.cc',
         'gestures/gesture_types.h',
         'gestures/velocity_calculator.cc',
         'gestures/velocity_calculator.h',
+        'ozone/evdev/device_manager_udev.cc',
+        'ozone/evdev/device_manager_udev.h',
         'ozone/evdev/event_converter.cc',
         'ozone/evdev/event_converter.h',
         'ozone/evdev/event_device_info.cc',
         'ozone/evdev/event_device_info.h',
         'ozone/evdev/event_factory.cc',
         'ozone/evdev/event_factory.h',
         'ozone/evdev/event_modifiers.cc',
         'ozone/evdev/event_modifiers.h',
         'ozone/evdev/key_event_converter.cc',
         'ozone/evdev/key_event_converter.h',
@@ skipping 19 matching lines @@
           ],
         }],
         ['use_ozone_evdev==1', {
           'defines': ['USE_OZONE_EVDEV=1'],
         }],
         ['use_ozone_evdev==1 and use_udev==1', {
           'dependencies': [
             '<(DEPTH)/build/linux/system.gyp:udev',
           ],
         }],
+        ['use_udev==0', {
+          'sources!': [
+            'ozone/evdev/device_manager_udev.cc',
+            'ozone/evdev/device_manager_udev.h',
+          ],
+        }],
       ],
     },
     {
       'target_name': 'events_test_support',
       'type': 'static_library',
       'dependencies': [
         'events',
         'events_base',
       ],
       'sources': [
@@ skipping 43 matching lines @@
       'conditions': [
         ['OS=="linux" and linux_use_tcmalloc==1', {
           'dependencies': [
             '<(DEPTH)/base/allocator/allocator.gyp:allocator',
           ],
         }],
       ],
     },
   ],
 }