x11: Remove X11 message-pump.

ui/aura/bench/bench_main.cc

Index: ui/aura/bench/bench_main.cc
diff --git a/ui/aura/bench/bench_main.cc b/ui/aura/bench/bench_main.cc
index 337da8da037916c03844011840bb2e089b2dc836..c5b98c0b5794b6fd3b757b9ec3ffe0c9e95b22df 100644
--- a/ui/aura/bench/bench_main.cc
+++ b/ui/aura/bench/bench_main.cc
@@ -33,6 +33,7 @@
 #include "ui/gfx/canvas.h"
 #include "ui/gfx/rect.h"
 #include "ui/gfx/skia_util.h"
+#include "ui/gfx/x/x11_connection.h"
 #include "ui/gl/gl_surface.h"
 
 #ifndef GL_GLEXT_PROTOTYPES
@@ -40,10 +41,6 @@
 #endif
 #include "third_party/khronos/GLES2/gl2ext.h"
 
-#if defined(USE_X11)
-#include "base/message_loop/message_pump_x11.h"
-#endif
-
 using base::TimeTicks;
 using ui::Compositor;
 using ui::Layer;
@@ -294,7 +291,7 @@ int main(int argc, char** argv) {
 #if defined(USE_X11)
   // This demo uses InProcessContextFactory which uses X on a separate Gpu
   // thread.
-  XInitThreads();
+  gfx::InitializeThreadedX11();
 #endif
 
   gfx::GLSurface::InitializeOneOff();