Overhaul Mandoline event transport code

components/html_viewer/html_frame.cc

Index: components/html_viewer/html_frame.cc
diff --git a/components/html_viewer/html_frame.cc b/components/html_viewer/html_frame.cc
index 4746f5d194dd0049ed68c4d7966307a11f416c15..f7bcbb27e0faf8d0d66056f84609a024a6b201b2 100644
--- a/components/html_viewer/html_frame.cc
+++ b/components/html_viewer/html_frame.cc
@@ -461,10 +461,12 @@ void HTMLFrame::OnViewDestroyed(View* view) {
 void HTMLFrame::OnViewInputEvent(View* view, const mojo::EventPtr& event) {
   if (event->pointer_data) {
     // Blink expects coordintes to be in DIPs.
-    event->pointer_data->x /= global_state()->device_pixel_ratio();
-    event->pointer_data->y /= global_state()->device_pixel_ratio();
-    event->pointer_data->screen_x /= global_state()->device_pixel_ratio();
-    event->pointer_data->screen_y /= global_state()->device_pixel_ratio();
+    event->pointer_data->where->x /= global_state()->device_pixel_ratio();
+    event->pointer_data->where->y /= global_state()->device_pixel_ratio();
+    event->pointer_data->where->screen_x /=
+        global_state()->device_pixel_ratio();
+    event->pointer_data->where->screen_y /=
+        global_state()->device_pixel_ratio();
   }
 
   blink::WebWidget* web_widget = GetWebWidget();