Send pointerleave and pointerenter events for styluses on Mac

content/browser/renderer_host/input/web_input_event_builders_mac.h

Index: content/browser/renderer_host/input/web_input_event_builders_mac.h
diff --git a/content/browser/renderer_host/input/web_input_event_builders_mac.h b/content/browser/renderer_host/input/web_input_event_builders_mac.h
index dbab1d88e1269be479e1a38203326a035279be0e..49d95bb7177ef38d740c89da71bcbeb22eaee9bd 100644
--- a/content/browser/renderer_host/input/web_input_event_builders_mac.h
+++ b/content/browser/renderer_host/input/web_input_event_builders_mac.h
@@ -20,7 +20,11 @@ class CONTENT_EXPORT WebKeyboardEventBuilder {
 
 class CONTENT_EXPORT WebMouseEventBuilder {
  public:
-  static blink::WebMouseEvent Build(NSEvent* event, NSView* view);
+  static blink::WebMouseEvent Build(
+      NSEvent* event,
+      NSView* view,
+      blink::WebPointerProperties::PointerType pointerType =
+          blink::WebPointerProperties::PointerType::Mouse);
 };
 
 class CONTENT_EXPORT WebMouseWheelEventBuilder {