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Unified Diff: tools/metrics/histograms/histograms.xml

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Issue 2189543002: Notify page load metrics when the app enters the background. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@clankbackgroundcallback
Patch Set: rename method Created 4 years, 4 months ago
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Index: tools/metrics/histograms/histograms.xml
diff --git a/tools/metrics/histograms/histograms.xml b/tools/metrics/histograms/histograms.xml
index bfcd62d7744d22fe00b8b0be1dda12519e57b883..3b5c7a2db7d8704873a155871be0f503f1a53b96 100644
--- a/tools/metrics/histograms/histograms.xml
+++ b/tools/metrics/histograms/histograms.xml
@@ -37816,6 +37816,22 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.
</summary>
</histogram>
+<histogram name="PageLoad.Internal.PageLoadCompleted.AfterAppBackground"
+ enum="Boolean">
+ <owner>bmcquade@chromium.org</owner>
+ <summary>
+ Whether a page load completed after the app entered the background. We log a
+ 'false' value for each PageLoadTracker that is active when the app enters
+ the background, and a 'true' value for each of those PageLoadTrackers that
+ successfully runs its destructor. This helps to understand how many trackers
+ are destroyed while the app is in the background before they are able to run
+ their destructor. This metric is only intended to help in understanding how
+ often app background leads to data loss, and will be deprecated in a
+ subsequent release. Please contact bmcquade@chromium.org before using this
+ metric.
+ </summary>
+</histogram>
+
<histogram name="PageLoad.Internal.ProvisionalAbortChainSize.ForwardBack"
units="length">
<owner>csharrison@chromium.org</owner>

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