Rename gfx::Display/Screen to display::Display/Screen in ash

ash/system/chromeos/brightness/tray_brightness.cc

Index: ash/system/chromeos/brightness/tray_brightness.cc
diff --git a/ash/system/chromeos/brightness/tray_brightness.cc b/ash/system/chromeos/brightness/tray_brightness.cc
index 2a8e6213eb950426f42a10c9c9ec371d014bb0e1..ab9fde33e81cee5f3471b6ba9bafe7a727e90482 100644
--- a/ash/system/chromeos/brightness/tray_brightness.cc
+++ b/ash/system/chromeos/brightness/tray_brightness.cc
@@ -25,7 +25,7 @@
 #include "grit/ash_resources.h"
 #include "grit/ash_strings.h"
 #include "ui/base/resource/resource_bundle.h"
-#include "ui/gfx/display.h"
+#include "ui/display/display.h"
 #include "ui/gfx/image/image.h"
 #include "ui/views/controls/button/image_button.h"
 #include "ui/views/controls/image_view.h"
@@ -272,7 +272,7 @@ void TrayBrightness::HandleBrightnessChanged(double percent,
   // Never show the bubble on systems that lack internal displays: if an
   // external display's brightness is changed, it may already display the new
   // level via an on-screen display.
-  if (!gfx::Display::HasInternalDisplay())
+  if (!display::Display::HasInternalDisplay())
     return;
 
   if (brightness_view_)