Newly created profiles should have the grey silhouette as avatar.

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 89 matching lines @@
   AVATAR_PIZZA,
   AVATAR_SOCCER,
   AVATAR_BURGER,
   AVATAR_CAT,
   AVATAR_CUPCAKE,           // 20
   AVATAR_DOG,
   AVATAR_HORSE,
   AVATAR_MARGARITA,
   AVATAR_NOTE,
   AVATAR_SUN_CLOUD,
-  AVATAR_UNKNOWN,           // 26
-  AVATAR_GAIA,              // 27
+  AVATAR_PLACEHOLDER,
+  AVATAR_UNKNOWN,           // 27
+  AVATAR_GAIA,              // 28
   NUM_PROFILE_AVATAR_METRICS
 };
 
 void ProfileMetrics::UpdateReportedProfilesStatistics(ProfileManager* manager) {
   ProfileCounts counts;
   if (CountProfileInformation(manager, &counts)) {
     int limited_total = counts.total;
     int limited_signedin = counts.signedin;
     if (limited_total > kMaximumReportedProfileCount) {
       limited_total = kMaximumReportedProfileCount + 1;
@@ skipping 108 matching lines @@
       break;
     case 23:
       icon_name = AVATAR_MARGARITA;
       break;
     case 24:
       icon_name = AVATAR_NOTE;
       break;
     case 25:
       icon_name = AVATAR_SUN_CLOUD;
       break;
-    case 27:
+    case 26:
+      icon_name = AVATAR_PLACEHOLDER;
+      break;
+    case 28:
       icon_name = AVATAR_GAIA;
       break;
     default:  // We should never actually get here.
       NOTREACHED();
       break;
   }
   UMA_HISTOGRAM_ENUMERATION("Profile.Avatar", icon_name,
                             NUM_PROFILE_AVATAR_METRICS);
 }
 
@@ skipping 50 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);
 }