Option Groups with display: none should not show the children option elements

Source/web/PopupListBox.cpp

Index: Source/web/PopupListBox.cpp
diff --git a/Source/web/PopupListBox.cpp b/Source/web/PopupListBox.cpp
index 6975b3179de6e80210ef33b6c02ea550b2b0bdcf..13e9b8d398136949bc51312a83fc9b2aa0433f83 100644
--- a/Source/web/PopupListBox.cpp
+++ b/Source/web/PopupListBox.cpp
@@ -713,6 +713,7 @@ void PopupListBox::updateFromElement()
         PopupMenuStyle style = m_popupClient->itemStyle(i);
         m_items[i]->textDirection = style.textDirection();
         m_items[i]->hasTextDirectionOverride = style.hasTextDirectionOverride();
+        m_items[i]->displayNone = style.isDisplayNone();
     }
 
     m_selectedIndex = m_popupClient->selectedIndex();