ozone: evdev: Add libgestures bindings for touchpad & mouse support

ui/events/events.gyp

Index: ui/events/events.gyp
diff --git a/ui/events/events.gyp b/ui/events/events.gyp
index c7dd93b750f8724dfea0c1d71bec1ae87c72a69a..0ae2d85c8c41cd2d376894d9b14c14f928c412f2 100644
--- a/ui/events/events.gyp
+++ b/ui/events/events.gyp
@@ -117,6 +117,14 @@
         'gestures/gesture_types.h',
         'gestures/velocity_calculator.cc',
         'gestures/velocity_calculator.h',
+        'ozone/evdev/libgestures_glue/event_reader_libevdev_cros.cc',
+        'ozone/evdev/libgestures_glue/event_reader_libevdev_cros.h',
+        'ozone/evdev/libgestures_glue/gesture_interpreter_libevdev_cros.cc',
+        'ozone/evdev/libgestures_glue/gesture_interpreter_libevdev_cros.h',
+        'ozone/evdev/libgestures_glue/gesture_logging.cc',
+        'ozone/evdev/libgestures_glue/gesture_logging.h',
+        'ozone/evdev/libgestures_glue/gesture_timer_provider.cc',
+        'ozone/evdev/libgestures_glue/gesture_timer_provider.h',
         'ozone/evdev/device_manager_evdev.cc',
         'ozone/evdev/device_manager_evdev.h',
         'ozone/evdev/device_manager_udev.cc',
@@ -191,6 +199,19 @@
             '<(DEPTH)/build/linux/system.gyp:udev',
           ],
         }],
+        ['use_ozone_evdev==1 and use_evdev_gestures==1', {
+          'dependencies': [
+            '<(DEPTH)/build/linux/system.gyp:libgestures',
+            '<(DEPTH)/build/linux/system.gyp:libevdev-cros',
+          ],
+          'defines': [
+            'USE_EVDEV_GESTURES',
+          ],
+        }, {
+          'sources/': [
+            ['exclude', '^ozone/evdev/libgestures_glue/'],
+          ],
+        }],
         ['use_udev==0', {
           'sources!': [
             'ozone/evdev/device_manager_udev.cc',