Revert "In components/autofill, move common/ to shared/"

components/autofill/shared/autocheckout_status.h

-// Copyright 2013 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#ifndef COMPONENTS_AUTOFILL_SHARED_AUTOCHECKOUT_STATUS_H_
-#define COMPONENTS_AUTOFILL_SHARED_AUTOCHECKOUT_STATUS_H_
-
-namespace autofill {
-
-enum AutocheckoutStatus {
-  SUCCESS,
-  MISSING_FIELDMAPPING,
-  MISSING_ADVANCE,
-  MISSING_CLICK_ELEMENT_BEFORE_FORM_FILLING,
-  MISSING_CLICK_ELEMENT_AFTER_FORM_FILLING,
-  CANNOT_PROCEED,
-  AUTOCHECKOUT_STATUS_NUM_STATUS,
-};
-
-}  // namespace autofill
-
-#endif  // COMPONENTS_AUTOFILL_SHARED_AUTOCHECKOUT_STATUS_H_