From 2e1d960f3fef4a276cedc5cdb6ad77944d8fb2c4 Mon Sep 17 00:00:00 2001
From: Marshall Greenblatt <magreenblatt@gmail.com>
Date: Wed, 17 Aug 2016 07:56:35 -0700
Subject: [PATCH] Linux: Flush display after showing window (issue #1946)

---
 tests/cefclient/browser/root_window_gtk.cc | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/tests/cefclient/browser/root_window_gtk.cc b/tests/cefclient/browser/root_window_gtk.cc
index d1498c865..0316fb545 100644
--- a/tests/cefclient/browser/root_window_gtk.cc
+++ b/tests/cefclient/browser/root_window_gtk.cc
@@ -150,6 +150,12 @@ void RootWindowGtk::Show(ShowMode mode) {
     MinimizeWindow(GTK_WINDOW(window_));
   else if (mode == ShowMaximized)
     MaximizeWindow(GTK_WINDOW(window_));
+
+  // Flush the display to make sure the underlying X11 window gets created
+  // immediately.
+  GdkWindow* gdk_window = gtk_widget_get_window(window_);
+  GdkDisplay* display = gdk_window_get_display(gdk_window);
+  gdk_display_flush(display);
 }
 
 void RootWindowGtk::Hide() {