chromeos: Move files in //ash/common to //ash, part 1

ash/system/user/button_from_view.h

Index: ash/system/user/button_from_view.h
diff --git a/ash/common/system/user/button_from_view.h b/ash/system/user/button_from_view.h
similarity index 91%
rename from ash/common/system/user/button_from_view.h
rename to ash/system/user/button_from_view.h
index 9a0ec25ca88705041792b0d77349285d0e085b29..d50f10e04017bdabcafd6ace5a76da4fd86965db 100644
--- a/ash/common/system/user/button_from_view.h
+++ b/ash/system/user/button_from_view.h
@@ -2,12 +2,12 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef ASH_COMMON_SYSTEM_USER_BUTTON_FROM_VIEW_H_
-#define ASH_COMMON_SYSTEM_USER_BUTTON_FROM_VIEW_H_
+#ifndef ASH_SYSTEM_USER_BUTTON_FROM_VIEW_H_
+#define ASH_SYSTEM_USER_BUTTON_FROM_VIEW_H_
 
 #include <memory>
 
-#include "ash/common/system/tray/tray_popup_ink_drop_style.h"
+#include "ash/system/tray/tray_popup_ink_drop_style.h"
 #include "base/macros.h"
 #include "ui/views/controls/button/custom_button.h"
 
@@ -73,4 +73,4 @@ class ButtonFromView : public views::CustomButton {
 }  // namespace tray
 }  // namespace ash
 
-#endif  // ASH_COMMON_SYSTEM_USER_BUTTON_FROM_VIEW_H_
+#endif  // ASH_SYSTEM_USER_BUTTON_FROM_VIEW_H_