mash: Move most files in //ash/system/tray to //ash/common/system/tray

ash/common/system/tray/tray_popup_label_button_border.h

Index: ash/common/system/tray/tray_popup_label_button_border.h
diff --git a/ash/system/tray/tray_popup_label_button_border.h b/ash/common/system/tray/tray_popup_label_button_border.h
similarity index 78%
rename from ash/system/tray/tray_popup_label_button_border.h
rename to ash/common/system/tray/tray_popup_label_button_border.h
index c454e9ca49d834f8f4186eb631864c763f0a12b2..670d6cfcd17c6e957aca3c62ac4c15a0380d3720 100644
--- a/ash/system/tray/tray_popup_label_button_border.h
+++ b/ash/common/system/tray/tray_popup_label_button_border.h
@@ -2,10 +2,9 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef ASH_SYSTEM_TRAY_TRAY_POPUP_LABEL_BUTTON_BORDER_H_
-#define ASH_SYSTEM_TRAY_TRAY_POPUP_LABEL_BUTTON_BORDER_H_
+#ifndef ASH_COMMON_SYSTEM_TRAY_TRAY_POPUP_LABEL_BUTTON_BORDER_H_
+#define ASH_COMMON_SYSTEM_TRAY_TRAY_POPUP_LABEL_BUTTON_BORDER_H_
 
-#include "base/compiler_specific.h"
 #include "base/macros.h"
 #include "ui/views/controls/button/label_button_border.h"
 
@@ -27,4 +26,4 @@ class TrayPopupLabelButtonBorder : public views::LabelButtonAssetBorder {
 
 }  // namespace ash
 
-#endif  // ASH_SYSTEM_TRAY_TRAY_POPUP_LABEL_BUTTON_BORDER_H_
+#endif  // ASH_COMMON_SYSTEM_TRAY_TRAY_POPUP_LABEL_BUTTON_BORDER_H_