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// 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.
#ifndef SYNC_INTERNAL_API_PUBLIC_SYNC_AUTH_PROVIDER_H_
#define SYNC_INTERNAL_API_PUBLIC_SYNC_AUTH_PROVIDER_H_
#include "base/callback.h"
class GoogleServiceAuthError;
namespace syncer {
// SyncAuthProvider is interface to access token related functions from sync
// engine.
class SyncAuthProvider {
public:
typedef base::Callback<void(const GoogleServiceAuthError& error,
const std::string& token)> RequestTokenCallback;
virtual ~SyncAuthProvider() {}
// Request access token for sync. Callback will be called with error and
// access token. If error is anything other than NONE then token is invalid.
virtual void RequestAccessToken(const RequestTokenCallback& callback) = 0;
// Invalidate access token that was rejected by sync server.
virtual void InvalidateAccessToken(const std::string& token) = 0;
};
} // namespace syncer
#endif // SYNC_INTERNAL_API_PUBLIC_SYNC_AUTH_PROVIDER_H_
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