rAc Wallet extirpation round 4: clean out RPC code

components/autofill/content/browser/wallet/wallet_signin_helper_delegate.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 CHROME_BROWSER_UI_AUTOFILL_WALLET_SIGNIN_HELPER_DELEGATE_H_
-#define CHROME_BROWSER_UI_AUTOFILL_WALLET_SIGNIN_HELPER_DELEGATE_H_
-
-#include <string>
-#include <vector>
-
-class GoogleServiceAuthError;
-
-namespace autofill {
-namespace wallet {
-
-// An interface that defines the callbacks for objects that
-// WalletSigninHelper can return data to.
-class WalletSigninHelperDelegate {
- public:
-  virtual ~WalletSigninHelperDelegate() {}
-
-  // Called on a successful passive sign-in.
-  virtual void OnPassiveSigninSuccess() = 0;
-
-  // Called on a failed passive sign-in; |error| describes the error.
-  virtual void OnPassiveSigninFailure(const GoogleServiceAuthError& error) = 0;
-
-  // Called when the Google Wallet cookie value has been retrieved.
-  virtual void OnDidFetchWalletCookieValue(const std::string& cookie_value) = 0;
-};
-
-}  // namespace wallet
-}  // namespace autofill
-
-#endif  // CHROME_BROWSER_UI_AUTOFILL_WALLET_SIGNIN_HELPER_DELEGATE_H_