ozone: Handle pressure and tilt for stylus devices

ui/events/event.h

Index: ui/events/event.h
diff --git a/ui/events/event.h b/ui/events/event.h
index 317ee92b133f62ff46afb6498f04d2fed46bb3b8..ea6ec5cba42ba08d38ecfd0010688e6f4fe89c7f 100644
--- a/ui/events/event.h
+++ b/ui/events/event.h
@@ -478,6 +478,9 @@ class EVENTS_EXPORT MouseEvent : public LocatedEvent {
 
   // Event details common to MouseEvent and TouchEvent.
   const PointerDetails& pointer_details() { return pointer_details_; }
+  void set_pointer_details(const PointerDetails& details) {
+    pointer_details_ = details;
+  }
 
  private:
   FRIEND_TEST_ALL_PREFIXES(EventTest, DoubleClickRequiresRelease);