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 745be182ff365e83f17293621560a2ecb1c2fc83..4905078a54ba2dd04ab03a05e262f89db9de51ed 100644
--- a/tools/metrics/histograms/histograms.xml
+++ b/tools/metrics/histograms/histograms.xml
@@ -20497,6 +20497,15 @@ Therefore, the affected-histogram name has to have at least one dot in it.
   </summary>
 </histogram>
 
+<histogram name="Profile.NumberOfAccountsPerProfile">
+  <owner>mlerman@chromium.org</owner>
+  <summary>
+    Counts the number of Google-managed accounts linked to a profile. This may
+    be counted multiple times per profile. Please review with the &quot;Show
+    user counts&quot; option enabled on the dashboard.
+  </summary>
+</histogram>
+
 <histogram name="Profile.NumberOfManagedProfiles">
   <owner>pam@chromium.org</owner>
   <summary>
@@ -23349,6 +23358,56 @@ Therefore, the affected-histogram name has to have at least one dot in it.
   </summary>
 </histogram>
 
+<histogram name="Signin.Reconciler.AddedToChromeFirstRun">
+  <owner>mlerman@chromium.org</owner>
+  <summary>
+    After the first execution of the account reconciler, how many accounts were
+    added to the browser's token service because they were in the cookie jar.
+  </summary>
+</histogram>
+
+<histogram name="Signin.Reconciler.AddedToChromeSubsequentRun">
+  <owner>mlerman@chromium.org</owner>
+  <summary>
+    After any non-initial execution of the account reconciler, how many accounts
+    were added to the browser's token service because they were in the cookie
+    jar.
+  </summary>
+</histogram>
+
+<histogram name="Signin.Reconciler.AddedToCookieJarFirstRun">
+  <owner>mlerman@chromium.org</owner>
+  <summary>
+    After the first execution of the account reconciler, how many accounts were
+    added to the cookie jar because they were in the browser's token service.
+  </summary>
+</histogram>
+
+<histogram name="Signin.Reconciler.AddedToCookieJarSubsequentRun">
+  <owner>mlerman@chromium.org</owner>
+  <summary>
+    After any non-initial execution of the account reconciler, how many accounts
+    were added to the cookie jar because they were in the browser's token
+    service.
+  </summary>
+</histogram>
+
+<histogram name="Signin.Reconciler.DifferentPrimaryAccountsFirstRun">
+  <owner>mlerman@chromium.org</owner>
+  <summary>
+    After the first execution of the account reconciler, true if the token
+    service and cookie jar contained different primary accounts.
+  </summary>
+</histogram>
+
+<histogram name="Signin.Reconciler.DifferentPrimaryAccountsSubsequentRun">

[Alexei Svitkine (slow), 2014/05/09 14:16:16]

If you adopt the scheme I suggest in my other comment, you can instead avoid
having two entries for each type of histogram and use a histogram_suffixes tag
to modulate them by FirstRun and SubsequentRun suffixes. Search this file for an
example of histogram_suffixes.

[Mike Lerman, 2014/05/09 20:13:27]

Done.

+  <owner>mlerman@chromium.org</owner>
+  <summary>
+    After any non-initial execution of the account reconciler, true if the token
+    service and cookie jar contained different primary accounts.
+  </summary>
+</histogram>
+
 <histogram name="SimpleCache.App.CheckCRCResult" enum="CheckCRCResult">
   <owner>Please list the metric's owners. Add more owner tags as needed.</owner>
   <summary>