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

components/autofill/core/browser/test_autofill_driver.cc

Index: components/autofill/core/browser/test_autofill_driver.cc
diff --git a/components/autofill/core/browser/test_autofill_driver.cc b/components/autofill/core/browser/test_autofill_driver.cc
index 38a83ed7d1b9b2240d36e2a8d1990cfe4d922eb9..906b55e11faae05011aff0bf175d6632552acfd6 100644
--- a/components/autofill/core/browser/test_autofill_driver.cc
+++ b/components/autofill/core/browser/test_autofill_driver.cc
@@ -6,6 +6,7 @@
 
 #include "base/test/sequenced_worker_pool_owner.h"
 #include "base/threading/sequenced_worker_pool.h"
+#include "ui/gfx/geometry/rect_f.h"
 
 namespace autofill {
 
@@ -71,4 +72,9 @@ void TestAutofillDriver::RendererShouldPreviewFieldWithValue(
 void TestAutofillDriver::PopupHidden() {
 }
 
+gfx::RectF TestAutofillDriver::TransformBoundingBoxToViewportCoordinates(
+    const gfx::RectF& bounding_box) {
+  return bounding_box;
+}
+
 }  // namespace autofill