Position autofill popup widgets correctly under --site-per-process

components/autofill/core/browser/autofill_manager.cc

Index: components/autofill/core/browser/autofill_manager.cc
diff --git a/components/autofill/core/browser/autofill_manager.cc b/components/autofill/core/browser/autofill_manager.cc
index 5440ed0932612081576da6fc2055bf85216b8850..c3d950f3635fc47649196eb52bfcf51050dc4028 100644
--- a/components/autofill/core/browser/autofill_manager.cc
+++ b/components/autofill/core/browser/autofill_manager.cc
@@ -387,7 +387,9 @@ void AutofillManager::OnQueryFormFieldAutofill(int query_id,
 
   std::vector<Suggestion> suggestions;
 
-  external_delegate_->OnQuery(query_id, form, field, bounding_box);
+  gfx::RectF transformed_box =
+      driver_->TransformBoundingBoxToViewportCoordinates(bounding_box);
+  external_delegate_->OnQuery(query_id, form, field, transformed_box);
 
   // Need to refresh models before using the form_event_loggers.
   bool is_autofill_possible = RefreshDataModels();