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 1d2405965a63ed533649ae7858c0e9c8869e94fd..77d1524d59798db7f3949790f647d325e09fe12e 100644
--- a/components/html_viewer/html_frame.cc
+++ b/components/html_viewer/html_frame.cc
@@ -631,10 +631,12 @@ 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->location->x /= global_state()->device_pixel_ratio();
+    event->pointer_data->location->y /= global_state()->device_pixel_ratio();
+    event->pointer_data->location->screen_x /=
+        global_state()->device_pixel_ratio();
+    event->pointer_data->location->screen_y /=
+        global_state()->device_pixel_ratio();
   }
 
   blink::WebWidget* web_widget = GetWebWidget();