Add <a is="action-link">, a web component extension of <a> for in-page actions.

ui/webui/resources/css/list.css

Index: ui/webui/resources/css/list.css
diff --git a/ui/webui/resources/css/list.css b/ui/webui/resources/css/list.css
index 8ecb918b944fdd12db5e81c6ee676fb1b2ff331c..e4d756a967b3a9af5a6b91bac302715089ad81a2 100644
--- a/ui/webui/resources/css/list.css
+++ b/ui/webui/resources/css/list.css
@@ -101,7 +101,7 @@ list :-webkit-any(
     button,
     input[type='button'],
     input[type='submit'],
-    select):not(.custom-appearance):not(.link-button) {
+    select):not(.custom-appearance) {
   line-height: normal;
   margin: 0;
   vertical-align: middle;