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 1e9366297904751ac92e4b9df4eb89d55c66e686..7bf665a7723331a3bab0da35e40255e64aa761d4 100644
--- a/tools/metrics/histograms/histograms.xml
+++ b/tools/metrics/histograms/histograms.xml
@@ -27753,6 +27753,14 @@ Therefore, the affected-histogram name has to have at least one dot in it.
   </summary>
 </histogram>
 
+<histogram name="Profile.NumberOfProfilesWithAuthErrors">
+  <owner>mlerman@chromium.org</owner>
+  <summary>
+    Counts the type GAIA authentication errors on a user's machine when Chrome
+    starts up. The types of errors are broken down in Signin.AuthError.
+  </summary>
+</histogram>
+
 <histogram name="Profile.NumberOfSignedInProfiles">
   <owner>bcwhite@chromium.org</owner>
   <owner>rlp@chromium.org</owner>
@@ -32663,6 +32671,13 @@ Therefore, the affected-histogram name has to have at least one dot in it.
   <summary>Track how a user interfacts with the android signin promo.</summary>
 </histogram>
 
+<histogram name="Signin.AuthError" enum="GoogleServiceAuthError">
+  <owner>mlerman@chromium.org</owner>
+  <summary>
+    Log the type of GAIA Auth Error that occur whenever the error state changes.

[noms (inactive), 2015/01/09 17:56:22]

nit: same comment about "authentication errors" applies here too :)

[Mike Lerman, 2015/01/09 18:04:11]

Done.

+  </summary>
+</histogram>
+
 <histogram name="Signin.DuringFirstRun">
   <owner>mlerman@chromium.org</owner>
   <summary>