Add gaia_id to ProfileInfoCache.

chrome/browser/profiles/profile_metrics.cc

 // Copyright (c) 2011 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 "chrome/browser/profiles/profile_metrics.h"
 
 #include "base/files/file_path.h"
 #include "base/logging.h"
 #include "base/metrics/histogram.h"
 #include "chrome/browser/browser_process.h"
@@ skipping 143 matching lines @@
   // Maximum age for "active" profile is 4 weeks.
   base::Time oldest = base::Time::Now() -
       base::TimeDelta::FromDays(kMaximumDaysOfDisuse);
 
   for (size_t i = 0; i < number_of_profiles; ++i) {
     if (!HasProfileAtIndexBeenActiveSince(info_cache, i, oldest)) {
       counts->unused++;
     } else {
       if (info_cache.ProfileIsSupervisedAtIndex(i))
         counts->supervised++;
-      if (!info_cache.GetUserNameOfProfileAtIndex(i).empty()) {
+      if (info_cache.ProfileIsAuthenticatedAtIndex(i)) {
         counts->signedin++;
         if (info_cache.IsUsingGAIAPictureOfProfileAtIndex(i))
           counts->gaia_icon++;
         if (info_cache.ProfileIsAuthErrorAtIndex(i))
           counts->auth_errors++;
       }
     }
   }
   return true;
 }
@@ skipping 372 matching lines @@
   UMA_HISTOGRAM_ENUMERATION("Profile.SyncSignIn",
                             GetProfileType(profile_path),
                             NUM_PROFILE_TYPE_METRICS);
 }
 
 void ProfileMetrics::LogProfileUpdate(const base::FilePath& profile_path) {
   UMA_HISTOGRAM_ENUMERATION("Profile.Update",
                             GetProfileType(profile_path),
                             NUM_PROFILE_TYPE_METRICS);
 }