[gtk] re-acquire input grab on bubbles when another widget

chrome/browser/ui/gtk/website_settings/website_settings_popup_gtk.cc

Index: chrome/browser/ui/gtk/website_settings/website_settings_popup_gtk.cc
diff --git a/chrome/browser/ui/gtk/website_settings/website_settings_popup_gtk.cc b/chrome/browser/ui/gtk/website_settings/website_settings_popup_gtk.cc
index f16a4d53705532e8afbc0e27519fd673f4b1b71c..ce162a539a6eecb3580fd1ec20304b9ed75add60 100644
--- a/chrome/browser/ui/gtk/website_settings/website_settings_popup_gtk.cc
+++ b/chrome/browser/ui/gtk/website_settings/website_settings_popup_gtk.cc
@@ -423,10 +423,6 @@ void WebsiteSettingsPopupGtk::OnPermissionChanged(
                                       selector->GetSetting());
 }
 
-void WebsiteSettingsPopupGtk::OnComboboxShown() {
-  bubble_->HandlePointerAndKeyboardUngrabbedByContent();
-}
-
 void WebsiteSettingsPopupGtk::SetCookieInfo(
     const CookieInfoList& cookie_info_list) {
   DCHECK(cookies_section_contents_);