Linux: move X operations from the IO to UI2 thread.

webkit/tools/test_shell/test_shell_x11.cc

Index: webkit/tools/test_shell/test_shell_x11.cc
diff --git a/webkit/tools/test_shell/test_shell_x11.cc b/webkit/tools/test_shell/test_shell_x11.cc
new file mode 100644
index 0000000000000000000000000000000000000000..865954b5c4cbabe3a8811bdb7e908864684d90d3
--- /dev/null
+++ b/webkit/tools/test_shell/test_shell_x11.cc
@@ -0,0 +1,19 @@
+#include <gtk/gtk.h>
+#include <gdk/gdkx.h>
+
+#include "webkit/tools/test_shell/test_shell_x11.h"
+
+namespace test_shell_x11 {
+
+Display* GtkWidgetGetDisplay(GtkWidget* widget) {
+  GdkDisplay* gdk_display = gtk_widget_get_display(widget);
+  return gdk_x11_display_get_xdisplay(gdk_display);
+}
+
+int GtkWidgetGetScreenNum(GtkWidget* widget) {
+  GdkDisplay* gdk_display = gtk_widget_get_display(widget);
+  GdkScreen* gdk_screen = gdk_display_get_default_screen(gdk_display);
+  return gdk_x11_screen_get_screen_number(gdk_screen);
+}
+
+}  // namespace test_shell_x11