Bug 1514926 - Followup: remove now unused arrowscrollbox check from MayNeedToLoadXBLBinding. r=emilio

Differential Revision: https://phabricator.services.mozilla.com/D48023

--HG--
extra : moz-landing-system : lando

dom/base/Element.cpp

@@ -518,8 +518,7 @@ void Element::ClearStyleStateLocks() {
 }
 
 static bool MayNeedToLoadXBLBinding(const Element& aElement) {
-  if (!aElement.IsAnyOfXULElements(nsGkAtoms::panel, nsGkAtoms::textbox,
-                                   nsGkAtoms::arrowscrollbox)) {
+  if (!aElement.IsAnyOfXULElements(nsGkAtoms::panel, nsGkAtoms::textbox)) {
     // Other elements no longer have XBL bindings. Please don't add to the list
     // above unless completely necessary.
     return false;

xpcom/ds/StaticAtoms.py

@@ -143,7 +143,6 @@ STATIC_ATOMS = [
     Atom("aria_valuemin", "aria-valuemin"),
     Atom("aria_valuenow", "aria-valuenow"),
     Atom("arrow", "arrow"),
-    Atom("arrowscrollbox", "arrowscrollbox"),
     Atom("article", "article"),
     Atom("as", "as"),
     Atom("ascending", "ascending"),