UMA metrics - number of accounts per profile and account reconciler.

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..feb39be280892c7565ec524b75c6c570ef0344cc 100644
--- a/tools/metrics/histograms/histograms.xml
+++ b/tools/metrics/histograms/histograms.xml
@@ -20497,6 +20497,14 @@ 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.
+  </summary>
+</histogram>
+
 <histogram name="Profile.NumberOfManagedProfiles">
   <owner>pam@chromium.org</owner>
   <summary>
@@ -23349,6 +23357,22 @@ Therefore, the affected-histogram name has to have at least one dot in it.
   </summary>
 </histogram>
 
+<histogram name="Signin.ReconcilerAddedToChrome">
+  <owner>mlerman@chromium.org</owner>
+  <summary>
+    After execution of the account reconciler, how many accounts where added to
+    the browser's token service because they were in the cookie jar.
+  </summary>
+</histogram>
+
+<histogram name="Signin.ReconcilerAddedToCookieJar">
+  <owner>mlerman@chromium.org</owner>
+  <summary>
+    After execution of the account reconciler, how many accounts where added to
+    the cookie jar because they were in the browser's token service.
+  </summary>
+</histogram>
+
 <histogram name="SimpleCache.App.CheckCRCResult" enum="CheckCRCResult">
   <owner>Please list the metric's owners. Add more owner tags as needed.</owner>
   <summary>