Reorder browser list on workspace switch

ui/views/widget/desktop_aura/x11_desktop_handler.h

Index: ui/views/widget/desktop_aura/x11_desktop_handler.h
diff --git a/ui/views/widget/desktop_aura/x11_desktop_handler.h b/ui/views/widget/desktop_aura/x11_desktop_handler.h
index 47a1ff1a7ffd2854d5218ac8cd7b3c579c000267..5f0f61f592bb5cb3ff2ad0328958f02f73c36ddf 100644
--- a/ui/views/widget/desktop_aura/x11_desktop_handler.h
+++ b/ui/views/widget/desktop_aura/x11_desktop_handler.h
@@ -14,6 +14,7 @@
 
 #include "base/macros.h"
 #include "ui/aura/env_observer.h"
+#include "ui/display/desktop.h"
 #include "ui/events/platform/platform_event_dispatcher.h"
 #include "ui/events/platform/x11/x11_event_source.h"
 #include "ui/gfx/x/x11_atom_cache.h"
@@ -30,7 +31,8 @@ namespace views {
 // X11 events on the X11 root window. Destroys itself when aura::Env is
 // deleted.
 class VIEWS_EXPORT X11DesktopHandler : public ui::PlatformEventDispatcher,
-                                       public aura::EnvObserver {
+                                       public aura::EnvObserver,
+                                       public display::Desktop {
  public:
   // Returns the singleton handler.
   static X11DesktopHandler* get();