[page_load_metrics] User Initiated Abort Tracking (Observer version)

tools/metrics/histograms/histograms.xml

Index: tools/metrics/histograms/histograms.xml
diff --git a/tools/metrics/histograms/histograms.xml b/tools/metrics/histograms/histograms.xml
index 45f0f225c18b1c704e28262ab636e23485e42c7c..2e4f5bec71014ae7e03951cc89d8c68b0052cb27 100644
--- a/tools/metrics/histograms/histograms.xml
+++ b/tools/metrics/histograms/histograms.xml
@@ -31412,6 +31412,55 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.
   </summary>
 </histogram>
 
+<histogram name="PageLoad.AbortTiming.Close" units="milliseconds">
+  <owner>csharrison@chromium.org</owner>
+  <summary>
+    Measures the time from navigation start to the time the page load was
+    aborted by the user closing the tab or browser.
+  </summary>
+</histogram>
+
+<histogram name="PageLoad.AbortTiming.ForwardBackNavigation"
+    units="milliseconds">
+  <owner>csharrison@chromium.org</owner>
+  <summary>
+    Measures the time from navigation start to the time the page load was
+    aborted by a forward or back navigation.
+  </summary>
+</histogram>
+
+<histogram name="PageLoad.AbortTiming.NewNavigation" units="milliseconds">
+  <owner>csharrison@chromium.org</owner>
+  <summary>
+    Measures the time from navigation start to the time the page load was
+    aborted by a new navigation.
+  </summary>
+</histogram>
+
+<histogram name="PageLoad.AbortTiming.Other" units="milliseconds">
+  <owner>csharrison@chromium.org</owner>
+  <summary>
+    Measures the time from navigation start to the time the page load was
+    aborted. The abort cause is unknown.
+  </summary>
+</histogram>
+
+<histogram name="PageLoad.AbortTiming.Reload" units="milliseconds">
+  <owner>csharrison@chromium.org</owner>
+  <summary>
+    Measures the time from navigation start to the time the page load was
+    aborted by a reload.
+  </summary>
+</histogram>
+
+<histogram name="PageLoad.AbortTiming.Stop" units="milliseconds">
+  <owner>csharrison@chromium.org</owner>
+  <summary>
+    Measures the time from navigation start to the time the page load was
+    aborted by the user pressing stop.
+  </summary>
+</histogram>
+
 <histogram name="PageLoad.Clients.GoogleCaptcha.Events"
     enum="GoogleCaptchaEvent">
   <owner>mdw@chromium.org</owner>
@@ -31522,6 +31571,15 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.
   </summary>
 </histogram>
 
+<histogram name="PageLoad.Timing2.NavigationToFirstBackgroundBeforePaint"

[Bryan McQuade, 2015/12/10 21:21:14]

can move this down to your suffixes below. we should rename from
'PageLoadAbortConditions' to something more generic, since these aren't abort
conditions, but happen to use the same suffixes.

(are histogram suffix groupings significant? if so, we could create a separate
suffixes entry with a different name, but my sense is that the grouping doesn't
actually matter)

[Charlie Harrison, 2015/12/10 22:00:55]

Done. Oops

+    units="milliseconds">
+  <owner>csharrison@chromium.org</owner>
+  <summary>
+    Measures the time from navigation start to the user faux-aborting a
+    committed load before its first paint by backgrounding the tab.
+  </summary>
+</histogram>
+
 <histogram name="PageLoad.Timing2.NavigationToFirstContentfulPaint"
     units="milliseconds">
   <owner>ksakamoto@chromium.org</owner>
@@ -31589,6 +31647,15 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.
   </summary>
 </histogram>
 
+<histogram name="PageLoad.Timing2.Provisional.NavigationToFirstBackground"

[Bryan McQuade, 2015/12/10 21:21:14]

same

[Charlie Harrison, 2015/12/10 22:00:55]

Done.

+    units="milliseconds">
+  <owner>csharrison@chromium.org</owner>
+  <summary>
+    Measures the time from navigation start to the user faux-aborting the load
+    before it commits by backgrounding the tab.
+  </summary>
+</histogram>
+
 <histogram name="PartitionAlloc.CommittedSize" units="MB">
   <owner>haraken@chromium.org</owner>
   <summary>
@@ -82740,6 +82807,17 @@ To add a new entry, add it with any value and run test to compute valid value.
   <affected-histogram name="PLT.LoadType"/>
 </histogram_suffixes>
 
+<histogram_suffixes name="PageLoadAbortConditions">
+  <suffix name="BeforeCommit"/>
+  <suffix name="AfterCommit.BeforePaint"/>
+  <affected-histogram name="PageLoad.AbortTiming.Close"/>
+  <affected-histogram name="PageLoad.AbortTiming.ForwardBackNavigation"/>
+  <affected-histogram name="PageLoad.AbortTiming.NewNavigation"/>
+  <affected-histogram name="PageLoad.AbortTiming.Other"/>
+  <affected-histogram name="PageLoad.AbortTiming.Reload"/>
+  <affected-histogram name="PageLoad.AbortTiming.Stop"/>
+</histogram_suffixes>
+
 <histogram_suffixes name="PageLoadBackgrounded" separator=".">
   <obsolete>
     Deprecated in favor of PageLoadBackgrounded2.