Ozone X11 platform

ui/events/devices/x11/touch_factory_x11.cc

Index: ui/events/devices/x11/touch_factory_x11.cc
diff --git a/ui/events/devices/x11/touch_factory_x11.cc b/ui/events/devices/x11/touch_factory_x11.cc
index 0a35527178403bd1fb484f729948562d46a78a2a..79f600d47b1e93434246ff29abe65a468f379525 100644
--- a/ui/events/devices/x11/touch_factory_x11.cc
+++ b/ui/events/devices/x11/touch_factory_x11.cc
@@ -156,10 +156,10 @@ void TouchFactory::UpdateDeviceList(Display* display) {
   }
 }
 
-bool TouchFactory::ShouldProcessXI2Event(XEvent* xev) {
+bool TouchFactory::ShouldProcessXI2Event(const XEvent* xev) {
   DCHECK_EQ(GenericEvent, xev->type);
-  XIEvent* event = static_cast<XIEvent*>(xev->xcookie.data);
-  XIDeviceEvent* xiev = reinterpret_cast<XIDeviceEvent*>(event);
+  const XIEvent* event = static_cast<const XIEvent*>(xev->xcookie.data);
+  const XIDeviceEvent* xiev = reinterpret_cast<const XIDeviceEvent*>(event);
 
   if (event->evtype == XI_TouchBegin ||
       event->evtype == XI_TouchUpdate ||