Revert "chromeos: Move files in //ash/common to //ash, part 3"

ash/common/wm_window_user_data.h

Index: ash/common/wm_window_user_data.h
diff --git a/ash/wm_window_user_data.h b/ash/common/wm_window_user_data.h
similarity index 93%
rename from ash/wm_window_user_data.h
rename to ash/common/wm_window_user_data.h
index 172f0230655508b8227d46bdb3f87dc6e1852535..2a6abd23378aa5a11cc97d7affc4b137bbe6b442 100644
--- a/ash/wm_window_user_data.h
+++ b/ash/common/wm_window_user_data.h
@@ -2,14 +2,14 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef ASH_WM_WINDOW_USER_DATA_H_
-#define ASH_WM_WINDOW_USER_DATA_H_
+#ifndef ASH_COMMON_WM_WINDOW_USER_DATA_H_
+#define ASH_COMMON_WM_WINDOW_USER_DATA_H_
 
 #include <map>
 #include <memory>
 #include <utility>
 
-#include "ash/wm_window.h"
+#include "ash/common/wm_window.h"
 #include "base/macros.h"
 #include "ui/aura/window.h"
 #include "ui/aura/window_observer.h"
@@ -75,4 +75,4 @@ class WmWindowUserData : public aura::WindowObserver {
 
 }  // namespace ash
 
-#endif  // ASH_WM_WINDOW_USER_DATA_H_
+#endif  // ASH_COMMON_WM_WINDOW_USER_DATA_H_