x11: Prefer using ui::GetXDisplay() over getting the Display from the X11 message-pump.

ash/display/mirror_window_controller.cc

Index: ash/display/mirror_window_controller.cc
diff --git a/ash/display/mirror_window_controller.cc b/ash/display/mirror_window_controller.cc
index 1a338fec766960c1be6706bc3841889af1dbe6d0..ccdc1ebbcee5078d193f8ff2945ff3a3d13579de 100644
--- a/ash/display/mirror_window_controller.cc
+++ b/ash/display/mirror_window_controller.cc
@@ -34,6 +34,10 @@
 #include "ui/gfx/image/image_skia_operations.h"
 #include "ui/gfx/native_widget_types.h"
 
+#if defined(USE_X11)
+#include "ui/base/x/x11_util.h"
+#endif
+
 namespace ash {
 namespace internal {
 namespace {
@@ -43,7 +47,7 @@ namespace {
 void DisableInput(XID window) {
   long event_mask = ExposureMask | VisibilityChangeMask |
       StructureNotifyMask | PropertyChangeMask;
-  XSelectInput(base::MessagePumpX11::GetDefaultXDisplay(),
+  XSelectInput(ui::GetXDisplay(),
                window, event_mask);

[oshima, 2013/09/17 15:05:10]

can you make this single line?

[sadrul, 2013/09/17 15:28:44]

Done.

 }
 #endif