Wire in postmortem report collection

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 38a90a4b7c5403e66f9dd5405b7a5a3f3ca8fa5d..3503647315fbc7a6867d6505154a24e20220be01 100644
--- a/tools/metrics/histograms/histograms.xml
+++ b/tools/metrics/histograms/histograms.xml
@@ -324,12 +324,31 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.
   </summary>
 </histogram>
 
+<histogram name="ActivityTracker.Collect.InitStatus"
+    enum="ActivityTrackerCollectInitStatus">
+  <owner>manzagop@chromium.org</owner>
+  <summary>
+    Status of the initialization to collect stability debug files.
+  </summary>
+</histogram>
+
 <histogram name="ActivityTracker.Collect.Status"
     enum="ActivityTrackerCollectStatus">
   <owner>manzagop@chromium.org</owner>
   <summary>Status for the collection of a stability debug file.</summary>
 </histogram>
 
+<histogram name="ActivityTracker.Collect.TotalTime" units="ms">
+  <owner>manzagop@chromium.org</owner>
+  <summary>Time spent collecting stability debug information.</summary>
+</histogram>
+
+<histogram name="ActivityTracker.Record.InitStatus"
+    enum="ActivityTrackerRecordInitStatus">
+  <owner>manzagop@chromium.org</owner>
+  <summary>Status of internal activity tracking initialization.</summary>
+</histogram>
+
 <histogram name="ActivityTracker.ThreadTrackers.Count" units="count">
   <owner>bcwhite@chromium.org</owner>
   <summary>
@@ -69568,6 +69587,13 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.
   <int value="5" label="Docked"/>
 </enum>
 
+<enum name="ActivityTrackerCollectInitStatus" type="int">
+  <int value="0" label="Success"/>
+  <int value="1" label="Unknown directory"/>
+  <int value="2" label="Get stability file path failed"/>
+  <int value="3" label="Crashpad database init failed"/>
+</enum>
+
 <enum name="ActivityTrackerCollectStatus" type="int">
   <int value="0" label="None"/>
   <int value="1" label="Sucess"/>
@@ -69579,6 +69605,12 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.
   <int value="7" label="Finished writing crash report failed"/>
 </enum>
 
+<enum name="ActivityTrackerRecordInitStatus" type="int">
+  <int value="0" label="Success"/>
+  <int value="1" label="Create stability dir failed"/>
+  <int value="2" label="Get stability file path failed"/>
+</enum>
+
 <enum name="AddressFamily" type="int">
   <int value="0" label="Unspecified"/>
   <int value="1" label="IPv4"/>