x11: Remove X11 message-pump.

ui/gl/gl_surface_x11.cc

Index: ui/gl/gl_surface_x11.cc
diff --git a/ui/gl/gl_surface_x11.cc b/ui/gl/gl_surface_x11.cc
index 066f915864e5f14f48d31cebe772bb70c7ed9057..a5d5aab781257066d466c4a66aa91e3663a60758 100644
--- a/ui/gl/gl_surface_x11.cc
+++ b/ui/gl/gl_surface_x11.cc
@@ -10,6 +10,7 @@
 #include "base/message_loop/message_loop.h"
 #include "third_party/mesa/src/include/GL/osmesa.h"
 #include "ui/gfx/native_widget_types.h"
+#include "ui/gfx/x/x11_types.h"
 #include "ui/gl/gl_bindings.h"
 #include "ui/gl/gl_implementation.h"
 #include "ui/gl/gl_surface_egl.h"
@@ -79,7 +80,7 @@ bool GLSurface::InitializeOneOffInternal() {
 NativeViewGLSurfaceOSMesa::NativeViewGLSurfaceOSMesa(
     gfx::AcceleratedWidget window)
     : GLSurfaceOSMesa(OSMESA_BGRA, gfx::Size(1, 1)),
-      xdisplay_(base::MessagePumpForUI::GetDefaultXDisplay()),
+      xdisplay_(gfx::GetXDisplay()),
       window_graphics_context_(0),
       window_(window),
       pixmap_graphics_context_(0),
@@ -94,7 +95,7 @@ bool NativeViewGLSurfaceOSMesa::InitializeOneOff() {
   if (initialized)
     return true;
 
-  if (!base::MessagePumpForUI::GetDefaultXDisplay()) {
+  if (!gfx::GetXDisplay()) {
     LOG(ERROR) << "XOpenDisplay failed.";
     return false;
   }
@@ -341,7 +342,7 @@ scoped_refptr<GLSurface> GLSurface::CreateOffscreenGLSurface(
 }
 
 EGLNativeDisplayType GetPlatformDefaultEGLNativeDisplay() {
-  return base::MessagePumpForUI::GetDefaultXDisplay();
+  return gfx::GetXDisplay();
 }
 
 }  // namespace gfx