touch: Change how touch-screen capability is processed.

ui/events/devices/x11/touch_factory_x11.h

Index: ui/events/devices/x11/touch_factory_x11.h
diff --git a/ui/events/devices/x11/touch_factory_x11.h b/ui/events/devices/x11/touch_factory_x11.h
index b5bf027bd8657cd4d614161206486f39155a65a6..cbec35f860b51ad2e6221bab0aea00833e86a2d6 100644
--- a/ui/events/devices/x11/touch_factory_x11.h
+++ b/ui/events/devices/x11/touch_factory_x11.h
@@ -82,9 +82,6 @@ class EVENTS_DEVICES_EXPORT TouchFactory {
     return touchscreen_ids_;
   }
 
-  // Return maximum simultaneous touch points supported by device.
-  int GetMaxTouchPoints() const;
-
   // Resets the TouchFactory singleton.
   void ResetForTest();
 
@@ -137,12 +134,6 @@ class EVENTS_DEVICES_EXPORT TouchFactory {
   // must be called before the tracking id is released.
   std::map<uint32, int> tracking_id_refcounts_;
 
-  // Maximum simultaneous touch points supported by device. In the case of
-  // devices with multiple digitizers (e.g. multiple touchscreens), the value
-  // is the maximum of the set of maximum supported contacts by each individual
-  // digitizer.
-  int max_touch_points_;
-
   // Device ID of the virtual core keyboard.
   int virtual_core_keyboard_device_;