ozone: Interpret absolute events for graphics tablets

ui/events/ozone/evdev/event_factory_evdev.cc

Index: ui/events/ozone/evdev/event_factory_evdev.cc
diff --git a/ui/events/ozone/evdev/event_factory_evdev.cc b/ui/events/ozone/evdev/event_factory_evdev.cc
index d32aedf24d3200189f7d8a7acc1b8f194f76f7c2..ed4a78c984c40850325f3c75aa4c3d04d60f0567 100644
--- a/ui/events/ozone/evdev/event_factory_evdev.cc
+++ b/ui/events/ozone/evdev/event_factory_evdev.cc
@@ -18,6 +18,7 @@
 #include "ui/events/ozone/evdev/cursor_delegate_evdev.h"
 #include "ui/events/ozone/evdev/event_converter_evdev_impl.h"
 #include "ui/events/ozone/evdev/event_device_info.h"
+#include "ui/events/ozone/evdev/tablet_event_converter_evdev.h"
 #include "ui/events/ozone/evdev/touch_event_converter_evdev.h"
 
 #if defined(USE_EVDEV_GESTURES)
@@ -97,6 +98,12 @@ scoped_ptr<EventConverterEvdev> CreateConverter(
     return converter.Pass();
   }
 
+  // Graphics tablet
+  if (devinfo.HasAbsXY())
+    return make_scoped_ptr<EventConverterEvdev>(new TabletEventConverterEvdev(
+        fd, params.path, params.id, params.modifiers, params.cursor, devinfo,
+        params.dispatch_callback));
+
   // Everything else: use EventConverterEvdevImpl.
   return make_scoped_ptr<EventConverterEvdevImpl>(
       new EventConverterEvdevImpl(fd,