Simplify the logic in DesktopWindowTreeHostX11 for FocusOut

ui/views/widget/desktop_aura/desktop_window_tree_host_x11.cc

Index: ui/views/widget/desktop_aura/desktop_window_tree_host_x11.cc
diff --git a/ui/views/widget/desktop_aura/desktop_window_tree_host_x11.cc b/ui/views/widget/desktop_aura/desktop_window_tree_host_x11.cc
index a3fd31102a55a63104d7403ddb8716f5063fb56e..005f3468f45499300cfe89cf79be854ed6b4fc2a 100644
--- a/ui/views/widget/desktop_aura/desktop_window_tree_host_x11.cc
+++ b/ui/views/widget/desktop_aura/desktop_window_tree_host_x11.cc
@@ -1595,13 +1595,8 @@ uint32_t DesktopWindowTreeHostX11::DispatchEvent(
       break;
     }
     case FocusOut:
-      if (xev->xfocus.mode != NotifyGrab) {
-        ReleaseCapture();
-        OnHostLostWindowCapture();
-        X11DesktopHandler::get()->ProcessXEvent(xev);
-      } else {
-        dispatcher()->OnHostLostMouseGrab();
-      }
+      ReleaseCapture();
+      X11DesktopHandler::get()->ProcessXEvent(xev);
       break;
     case FocusIn:
       X11DesktopHandler::get()->ProcessXEvent(xev);