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diff --git a/components/autofill/content/browser/wallet/required_action.h b/components/autofill/content/browser/wallet/required_action.h
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+// 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_CONTENT_BROWSER_WALLET_REQUIRED_ACTION_H_
+#define COMPONENTS_AUTOFILL_CONTENT_BROWSER_WALLET_REQUIRED_ACTION_H_
+
+#include <string>
+
+namespace autofill {
+namespace wallet {
+
+// Required actions are steps that must be taken before the current transaction
+// can proceed. Examples of this is include accepting the Terms of Service to
+// use Google Wallet (happens on first use or when the ToS are updated) or
+// typing a CVC when it's necessary verify the current user has access to the
+// backing card.
+enum RequiredAction {
+  UNKNOWN_TYPE = 0,  // Catch all type.
+  CHOOSE_ANOTHER_INSTRUMENT_OR_ADDRESS,
+  SETUP_WALLET,
+  ACCEPT_TOS,
+  GAIA_AUTH,
+  UPDATE_EXPIRATION_DATE,
+  UPGRADE_MIN_ADDRESS,
+  INVALID_FORM_FIELD,
+  VERIFY_CVV,
+  PASSIVE_GAIA_AUTH,
+  REQUIRE_PHONE_NUMBER,
+};
+
+// Static helper functions to determine if an RequiredAction applies to a
+// FullWallet, WalletItems, or SaveToWallet response.
+bool ActionAppliesToFullWallet(RequiredAction action);
+bool ActionAppliesToSaveToWallet(RequiredAction action);
+bool ActionAppliesToWalletItems(RequiredAction action);
+
+// Turn a string value of the parsed JSON response into an RequiredAction.
+RequiredAction ParseRequiredActionFromString(const std::string& str);
+
+}  // namespace wallet
+}  // namespace autofill
+
+#endif  // COMPONENTS_AUTOFILL_CONTENT_BROWSER_WALLET_REQUIRED_ACTION_H_