$OpenBSD: patch-chrome_browser_ui_views_tabs_new_tab_button_cc,v 1.4 2018/06/06 07:50:54 robert Exp $

Index: chrome/browser/ui/views/tabs/new_tab_button.cc
--- chrome/browser/ui/views/tabs/new_tab_button.cc.orig
+++ chrome/browser/ui/views/tabs/new_tab_button.cc
@@ -87,7 +87,7 @@ NewTabButton::NewTabButton(TabStrip* tab_strip, views:
       tab_strip_(tab_strip),
       is_incognito_(tab_strip->IsIncognito()) {
   set_animate_on_state_change(true);
-#if defined(OS_LINUX) && !defined(OS_CHROMEOS)
+#if (defined(OS_BSD) || defined(OS_LINUX)) && !defined(OS_CHROMEOS)
   set_triggerable_event_flags(triggerable_event_flags() |
                               ui::EF_MIDDLE_MOUSE_BUTTON);
 #endif
