rAc Wallet extirpation round 4: clean out RPC code

components/autofill/content/browser/wallet/wallet_signin_helper.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_CONTENT_BROWSER_WALLET_WALLET_SIGNIN_HELPER_H_
-#define COMPONENTS_AUTOFILL_CONTENT_BROWSER_WALLET_WALLET_SIGNIN_HELPER_H_
-
-#include <string>
-#include <vector>
-
-#include "base/memory/scoped_ptr.h"
-#include "base/memory/weak_ptr.h"
-#include "net/url_request/url_fetcher_delegate.h"
-
-namespace net {
-class URLFetcher;
-class URLRequestContextGetter;
-}
-
-class GoogleServiceAuthError;
-
-namespace autofill {
-namespace wallet {
-
-class WalletSigninHelperDelegate;
-
-// Authenticates the user against the Online Wallet service.
-// This class is not thread-safe.  An instance may be used on any thread, but
-// should not be accessed from multiple threads.
-class WalletSigninHelper : public net::URLFetcherDelegate {
- public:
-  // Constructs a helper that works with a given |delegate| and uses a given
-  // |getter| to obtain a context for URL. Both |delegate| and |getter| shall
-  // remain valid over the entire lifetime of the created instance.
-  WalletSigninHelper(WalletSigninHelperDelegate* delegate,
-                     net::URLRequestContextGetter* getter);
-
-  ~WalletSigninHelper() override;
-
-  // Initiates an attempt to passively sign the user into the Online Wallet.
-  // A passive sign-in is a non-interactive refresh of content area cookies,
-  // and it succeeds as long as the Online Wallet service could safely accept
-  // or refresh the existing area cookies, and the user doesn't need to be
-  // fully reauthenticated with the service.
-  // Either OnPassiveSigninSuccess or OnPassiveSigninFailure will be called
-  // on the original thread.
-  void StartPassiveSignin(size_t user_index);
-
-  // Initiates the fetch of the user's Google Wallet cookie.
-  void StartWalletCookieValueFetch();
-
- private:
-  // Called if a service authentication error occurs.
-  void OnServiceError(const GoogleServiceAuthError& error);
-
-  // Called if any other error occurs.
-  void OnOtherError();
-
-  // URLFetcherDelegate implementation.
-  void OnURLFetchComplete(const net::URLFetcher* fetcher) override;
-
-  // Callback for when the Google Wallet cookie has been retrieved.
-  void ReturnWalletCookieValue(const std::string& cookie_value);
-
-  // Should be valid throughout the lifetime of the instance.
-  WalletSigninHelperDelegate* const delegate_;
-
-  // URLRequestContextGetter to be used for URLFetchers.
-  net::URLRequestContextGetter* const getter_;
-
-  // While passive login/merge session URL fetches are going on:
-  scoped_ptr<net::URLFetcher> url_fetcher_;
-
-  base::WeakPtrFactory<WalletSigninHelper> weak_ptr_factory_;
-
-  DISALLOW_COPY_AND_ASSIGN(WalletSigninHelper);
-};
-
-}  // namespace wallet
-}  // namespace autofill
-
-#endif  // COMPONENTS_AUTOFILL_CONTENT_BROWSER_WALLET_WALLET_SIGNIN_HELPER_H_