chromium/components/gcm_driver/crypto/gcm_decryption_result.h

// Copyright 2017 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef COMPONENTS_GCM_DRIVER_CRYPTO_GCM_DECRYPTION_RESULT_H_
#define COMPONENTS_GCM_DRIVER_CRYPTO_GCM_DECRYPTION_RESULT_H_

#include <string>

namespace gcm {

// Result of decrypting an incoming message. The values of these reasons must
// not be changed as they are being recorded using UMA. When adding a value,
// please update GCMDecryptionResult in //tools/metrics/histograms/enums.xml.
enum class GCMDecryptionResult { … };

// Converts the GCMDecryptionResult value to a string that can be used to
// explain the issue on chrome://gcm-internals/.
std::string ToGCMDecryptionResultDetailsString(GCMDecryptionResult result);

}  // namespace gcm

#endif  // COMPONENTS_GCM_DRIVER_CRYPTO_GCM_DECRYPTION_RESULT_H_