exo: Replace pointer based stylus and replace with touch based stylus

ui/events/test/event_generator.h

Index: ui/events/test/event_generator.h
diff --git a/ui/events/test/event_generator.h b/ui/events/test/event_generator.h
index c20dc79a8570363c0b1e539af36b561a230a8ec0..8d40e577ca47ddb829024a52486f4f44fcb146d2 100644
--- a/ui/events/test/event_generator.h
+++ b/ui/events/test/event_generator.h
@@ -239,6 +239,17 @@ class EventGenerator {
   // Set radius of touch PointerDetails.
   void SetTouchRadius(float x, float y);
 
+  // Set tilt of touch PointerDetails.
+  void SetTouchTilt(float x, float y);
+
+  // Set pointer type of touch PointerDetails.
+  void SetTouchPointerType(ui::EventPointerType type) {
+    touch_pointer_details_.pointer_type = type;
+  }
+
+  // Set force of touch PointerDetails.
+  void SetTouchForce(float force) { touch_pointer_details_.force = force; }
+
   // Generates a touch press event.
   void PressTouch();