Scale touch event radius

ui/events/x/device_data_manager_x11.cc

Index: ui/events/x/device_data_manager_x11.cc
diff --git a/ui/events/x/device_data_manager_x11.cc b/ui/events/x/device_data_manager_x11.cc
index 3b8e1fa4224795ef2c6967b90dee3e2197f3b63e..1ed6fde4f12e29866553bf2b294bf2c047b2e0da 100644
--- a/ui/events/x/device_data_manager_x11.cc
+++ b/ui/events/x/device_data_manager_x11.cc
@@ -63,6 +63,8 @@
 #define AXIS_LABEL_ABS_MT_TOUCH_MINOR "Abs MT Touch Minor"
 #define AXIS_LABEL_ABS_MT_ORIENTATION "Abs MT Orientation"
 #define AXIS_LABEL_ABS_MT_PRESSURE    "Abs MT Pressure"
+#define AXIS_LABEL_ABS_MT_POSITION_X  "Abs MT Position X"
+#define AXIS_LABEL_ABS_MT_POSITION_Y  "Abs MT Position Y"
 #define AXIS_LABEL_ABS_MT_TRACKING_ID "Abs MT Tracking ID"
 #define AXIS_LABEL_TOUCH_TIMESTAMP    "Touch Timestamp"
 
@@ -87,6 +89,8 @@ const char* kCachedAtoms[] = {
   AXIS_LABEL_ABS_MT_TOUCH_MINOR,
   AXIS_LABEL_ABS_MT_ORIENTATION,
   AXIS_LABEL_ABS_MT_PRESSURE,
+  AXIS_LABEL_ABS_MT_POSITION_X,
+  AXIS_LABEL_ABS_MT_POSITION_Y,
   AXIS_LABEL_ABS_MT_TRACKING_ID,
   AXIS_LABEL_TOUCH_TIMESTAMP,