:hover style not applied on hover if its display property is different from original style's

Source/core/html/HTMLOptGroupElement.cpp

Index: Source/core/html/HTMLOptGroupElement.cpp
diff --git a/Source/core/html/HTMLOptGroupElement.cpp b/Source/core/html/HTMLOptGroupElement.cpp
index dd72cae19f60ddf37e74063607e648e7b79b04ac..10427e0aaff6f102948d9c53f64fa760e0eb7a39 100644
--- a/Source/core/html/HTMLOptGroupElement.cpp
+++ b/Source/core/html/HTMLOptGroupElement.cpp
@@ -94,9 +94,9 @@ void HTMLOptGroupElement::recalcSelectOptions()
         toHTMLSelectElement(select)->setRecalcListItems();
 }
 
-void HTMLOptGroupElement::attach()
+void HTMLOptGroupElement::attach(const AttachContext& context)
 {
-    HTMLElement::attach();
+    HTMLElement::attach(context);
     // If after attaching nothing called styleForRenderer() on this node we
     // manually cache the value. This happens if our parent doesn't have a
     // renderer like <optgroup> or if it doesn't allow children like <select>.
@@ -104,10 +104,10 @@ void HTMLOptGroupElement::attach()
         updateNonRenderStyle();
 }
 
-void HTMLOptGroupElement::detach()
+void HTMLOptGroupElement::detach(const AttachContext& context)
 {
     m_style.clear();
-    HTMLElement::detach();
+    HTMLElement::detach(context);
 }
 
 void HTMLOptGroupElement::updateNonRenderStyle()