| // Copyright 2015 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_MOD_PAGESPEED_MOD_PAGESPEED_METRICS_H_ | 
 | #define CHROME_BROWSER_MOD_PAGESPEED_MOD_PAGESPEED_METRICS_H_ | 
 |  | 
 | #include "content/public/common/resource_type.h" | 
 |  | 
 | class GURL; | 
 |  | 
 | namespace net { | 
 | class HttpResponseHeaders; | 
 | } | 
 |  | 
 | namespace mod_pagespeed { | 
 |  | 
 | // Records metrics about mod_pagespeed headers. | 
 | // | 
 | // See | 
 | // https://developers.google.com/speed/pagespeed/module/configuration#XHeaderValue | 
 | void RecordMetrics(const content::ResourceType resource_type, | 
 |                    const GURL& request_url, | 
 |                    const net::HttpResponseHeaders* response_headers); | 
 |  | 
 | }  // namespace mod_pagespeed | 
 |  | 
 | #endif  // CHROME_BROWSER_MOD_PAGESPEED_MOD_PAGESPEED_METRICS_H_ |