views/widget/native_widget_mac.mm

973   NativeWidgetMacNSWindowHost* window_host =
975   if (!window_host)
977   while (window_host->parent())
978     window_host = window_host->parent();
979   return window_host->native_widget_mac();
985   NativeWidgetMacNSWindowHost* window_host =
987   if (!window_host) {
1011   // window_host->..->GetWidget() to |children| would be adding the _parent_ of
1015   if (window_host->native_widget_mac()->GetNativeView() != native_view)
1019   if (window_host->native_widget_mac()->GetWidget())
1020     children->insert(window_host->native_widget_mac()->GetWidget());
1023   // look through -[NSWindow childWindows] as done for the (!window_host) case
1026   for (NativeWidgetMacNSWindowHost* child : window_host->children())
1033   NativeWidgetMacNSWindowHost* window_host =
1035   if (!window_host) {
1039   if (window_host->native_widget_mac()->GetNativeView() != native_view)
1041   for (NativeWidgetMacNSWindowHost* child : window_host->children())