Rename gfx::Display to display::Display

ash/wm/common/wm_window.h

Index: ash/wm/common/wm_window.h
diff --git a/ash/wm/common/wm_window.h b/ash/wm/common/wm_window.h
index 7b6e14179b13f165f94294d81575394f5e5c3efc..f5e874afeb29b90ee497a44b7719c21d99bd9684 100644
--- a/ash/wm/common/wm_window.h
+++ b/ash/wm/common/wm_window.h
@@ -14,17 +14,16 @@
 #include "ui/wm/core/window_animations.h"
 #include "ui/wm/public/window_types.h"
 
-namespace gfx {
+namespace display {
 class Display;
+}
+
+namespace gfx {
 class Point;
 class Rect;
 class Size;
 }
 
-namespace display {
-using Display = gfx::Display;
-}
-
 namespace ui {
 class Layer;
 }