Adds animation as feature variation to keyboard accessory.

components/autofill/core/browser/popup_item_ids.h

 // Copyright 2014 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.
 
 // This enum defines item identifiers for Autofill popup controller.
 
 #ifndef COMPONENTS_AUTOFILL_CORE_BROWSER_POPUP_ITEM_ID_H_
 #define COMPONENTS_AUTOFILL_CORE_BROWSER_POPUP_ITEM_ID_H_
 
 namespace autofill {
 
 enum PopupItemId {
   POPUP_ITEM_ID_AUTOCOMPLETE_ENTRY = 0,
   POPUP_ITEM_ID_INSECURE_CONTEXT_PAYMENT_DISABLED_MESSAGE = -1,
   POPUP_ITEM_ID_PASSWORD_ENTRY = -2,
   POPUP_ITEM_ID_SEPARATOR = -3,
   POPUP_ITEM_ID_CLEAR_FORM = -4,
   POPUP_ITEM_ID_AUTOFILL_OPTIONS = -5,
   POPUP_ITEM_ID_DATALIST_ENTRY = -6,
   POPUP_ITEM_ID_SCAN_CREDIT_CARD = -7,
   POPUP_ITEM_ID_TITLE = -8,
   POPUP_ITEM_ID_CREDIT_CARD_SIGNIN_PROMO = -9,
   POPUP_ITEM_ID_HTTP_NOT_SECURE_WARNING_MESSAGE = -10,
   POPUP_ITEM_ID_USERNAME_ENTRY = -11,
+  POPUP_ITEM_ID_CREATE_HINT = -12,
 };
 
 }  // namespace autofill
 
 #endif  // COMPONENTS_AUTOFILL_CORE_BROWSER_POPUP_ITEM_ID_H_