Processing USERNAME reply from Autofill server in Password Manager

components/autofill/core/browser/autofill_metrics.cc

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "components/autofill/core/browser/autofill_metrics.h"
 
 #include "base/logging.h"
 #include "base/metrics/histogram.h"
 #include "base/metrics/sparse_histogram.h"
 #include "base/time/time.h"
@@ skipping 17 matching lines @@
   GROUP_ADDRESS_COUNTRY,
   GROUP_PHONE,
   GROUP_FAX,  // Deprecated.
   GROUP_EMAIL,
   GROUP_CREDIT_CARD_NAME,
   GROUP_CREDIT_CARD_NUMBER,
   GROUP_CREDIT_CARD_DATE,
   GROUP_CREDIT_CARD_TYPE,
   GROUP_PASSWORD,
   GROUP_ADDRESS_LINE_3,
+  GROUP_USERNAME,

[Ilya Sherman, 2015/03/26 00:30:04]

Please update histograms.xml for this change.

[dvadym, 2015/03/26 12:29:13]

I've added in one place in histograms.xml about usernames, is it enough?

[Ilya Sherman, 2015/03/31 00:45:04]

Yes, thanks :)

   NUM_FIELD_TYPE_GROUPS_FOR_METRICS
 };
 
 }  // namespace
 
 // First, translates |field_type| to the corresponding logical |group| from
 // |FieldTypeGroupForMetrics|.  Then, interpolates this with the given |metric|,
 // which should be in the range [0, |num_possible_metrics|).
 // Returns the interpolated index.
 //
@@ skipping 98 matching lines @@
           NOTREACHED();
           group = GROUP_AMBIGUOUS;
           break;
       }
       break;
 
     case PASSWORD_FIELD:
       group = GROUP_PASSWORD;
       break;
 
+    case USERNAME_FIELD:
+      group = GROUP_USERNAME;
+      break;
+
     case TRANSACTION:
       NOTREACHED();
       break;
   }
 
   // Interpolate the |metric| with the |group|, so that all metrics for a given
   // |group| are adjacent.
   return (group * AutofillMetrics::NUM_FIELD_TYPE_QUALITY_METRICS) + metric;
 }
 
@@ skipping 438 matching lines @@
   else if (is_server_data_available_ && !is_local_data_available_)
     name += ".WithOnlyServerData";
   else if (!is_server_data_available_ && is_local_data_available_)
     name += ".WithOnlyLocalData";
   else
     name += ".WithBothServerAndLocalData";
   LogUMAHistogramEnumeration(name, event, NUM_FORM_EVENTS);
 }
 
 }  // namespace autofill