|  | // Copyright 2020 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_PREFETCH_PREFETCH_PROXY_PREFETCH_PROXY_PROBE_RESULT_H_ | 
|  | #define CHROME_BROWSER_PREFETCH_PREFETCH_PROXY_PREFETCH_PROXY_PROBE_RESULT_H_ | 
|  |  | 
|  | // The result of an origin probe. See PrefetchProxyOriginProber. | 
|  | enum class PrefetchProxyProbeResult { | 
|  | kNoProbing = 0, | 
|  | kDNSProbeSuccess = 1, | 
|  | kDNSProbeFailure = 2, | 
|  | kTLSProbeSuccess = 3, | 
|  | kTLSProbeFailure = 4, | 
|  | }; | 
|  |  | 
|  | // Returns true if the probe result is not a failure. | 
|  | bool PrefetchProxyProbeResultIsSuccess(PrefetchProxyProbeResult result); | 
|  |  | 
|  | #endif  // CHROME_BROWSER_PREFETCH_PREFETCH_PROXY_PREFETCH_PROXY_PROBE_RESULT_H_ |