| // Copyright 2018 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 CONTENT_BROWSER_LOADER_NAVIGATION_METRICS_H |
| #define CONTENT_BROWSER_LOADER_NAVIGATION_METRICS_H |
| |
| #include "base/time/time.h" |
| |
| namespace content { |
| |
| // Records histograms for the time spent between several events in the |
| // ResourceHandler dedicated to navigations. |
| // - |response_started| is when the response's headers and metadata are |
| // available. Loading is paused at this time. |
| // - |proceed_with_response| is when loading is resumed. |
| // - |first_read_completed| is when the first part of the body has been read. |
| // |
| // Depending on whether NavigationMojoResponse is enabled or not, these times |
| // are either recorded by the MojoAsyncResourceHandler or the |
| // NavigationResourceHandler. |
| // |
| // TODO(arthursonzogni): Move this function in MojoAsyncResourceHandler once |
| // NavigationResourceHandler has been deleted. |
| void RecordNavigationResourceHandlerMetrics( |
| base::TimeTicks response_started, |
| base::TimeTicks proceed_with_response, |
| base::TimeTicks first_read_completed); |
| |
| } // namespace content. |
| |
| #endif // CONTENT_BROWSER_LOADER_NAVIGATION_METRICS_H |
