diff options
Diffstat (limited to 'components/page_load_metrics/browser/page_load_metrics_util.h')
| -rw-r--r-- | components/page_load_metrics/browser/page_load_metrics_util.h | 16 |
1 files changed, 9 insertions, 7 deletions
diff --git a/components/page_load_metrics/browser/page_load_metrics_util.h b/components/page_load_metrics/browser/page_load_metrics_util.h index 375debb..380c077 100644 --- a/components/page_load_metrics/browser/page_load_metrics_util.h +++ b/components/page_load_metrics/browser/page_load_metrics_util.h @@ -18,13 +18,15 @@ namespace page_load_metrics { struct PageLoadExtraInfo; struct PageLoadTiming; -// Returns false for events for which we have no timing information, and events -// that happened on a page that had been in the background. When a page is -// backgrounded, some events (e.g. paint) are delayed. Since these data points -// can skew the mean, they should not be mixed with timing events that occurred -// in the foreground. -bool EventOccurredInForeground(base::TimeDelta event, - const PageLoadExtraInfo& info); +// Returns true if: +// - We have timing information for the event. +// - The page load started while the page was in the foreground. +// - The event occurred prior to the page being moved to the background. +// When a page is backgrounded, some events (e.g. paint) are delayed. Since +// these data points can skew the mean, they should not be mixed with timing +// events that occurred in the foreground. +bool WasStartedInForegroundEventInForeground(base::TimeDelta event, + const PageLoadExtraInfo& info); } // namespace page_load_metrics |