Fix UBSan testing builds

chrome/browser/ui/views/chrome_views_delegate.cc

Index: chrome/browser/ui/views/chrome_views_delegate.cc
diff --git a/chrome/browser/ui/views/chrome_views_delegate.cc b/chrome/browser/ui/views/chrome_views_delegate.cc
index 20793d9fc5e0ff082b4013cfcd6fbb4a45a30e1a..e85e2805f89f3e31e89208b9324919bf694c9984 100644
--- a/chrome/browser/ui/views/chrome_views_delegate.cc
+++ b/chrome/browser/ui/views/chrome_views_delegate.cc
@@ -264,6 +264,13 @@ int ChromeViewsDelegate::GetDistanceMetric(views::DistanceMetric metric) const {
 }
 
 int ChromeViewsDelegate::GetDefaultDistanceMetric(
+    views::DistanceMetric metric) {
+  return views_delegate
+             ? views_delegate->InternalGetDefaultDistanceMetric(metric)
+             : views::ViewsDelegate::GetInstance()->GetDistanceMetric(metric);
+}
+
+int ChromeViewsDelegate::InternalGetDefaultDistanceMetric(
     views::DistanceMetric metric) const {
   return views::ViewsDelegate::GetDistanceMetric(metric);
 }