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 71f1ae2eabbb39d421eaff693580e2f0411daf8b..041da3b477746d0f23d117173dc53c87e89c3e7f 100644
--- a/tools/metrics/histograms/histograms.xml
+++ b/tools/metrics/histograms/histograms.xml
@@ -49337,6 +49337,15 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.
   </summary>
 </histogram>
 
+<histogram name="ResourcePrefetchPredictor.HostRedirectTableRowCount">
+  <owner>alexilin@chromium.org</owner>

[pasko, 2016/09/22 14:27:09]

please put lizeb@ as another owner here and in another new histogram

[pasko, 2016/09/26 12:28:15]

replying to myself :)

please respond to _all_ comments that are done, with 'Done', so that the amount
of responses matches the number of initial comments. That way it is easier to
make sure no comment gets lost by mistake.

[alexilin, 2016/09/26 15:38:28]

Done.

+  <summary>
+    The count of number of rows in the HostRedirectTable. This is effecively the
+    number of (host, final redirect) pairs in the database. This is measured at
+    startup and used to get an estimate of the data size.
+  </summary>
+</histogram>
+
 <histogram name="ResourcePrefetchPredictor.HostTableHostCount">
   <owner>zhenw@chromium.org</owner>
   <summary>
@@ -49722,6 +49731,15 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.
   </summary>
 </histogram>
 
+<histogram name="ResourcePrefetchPredictor.UrlRedirectTableRowCount">
+  <owner>alexilin@chromium.org</owner>
+  <summary>
+    The count of number of rows in the UrlRedirectTable. This is effectively the
+    number of (main frame URL, final redirect) pairs in the database. This is
+    measured at startup and used to get an estimate of the data size.
+  </summary>
+</histogram>
+
 <histogram name="ResourcePrefetchPredictor.UrlTableMainFrameUrlCount">
   <obsolete>
     Deprecated September 2016. No longer recorded.