[Mac] Redesign of the avatar menu button

chrome/browser/profiles/profiles_state.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 "chrome/browser/profiles/profiles_state.h"
 
 #include "base/files/file_path.h"
 #include "base/prefs/pref_registry_simple.h"
 #include "base/prefs/pref_service.h"
 #include "base/strings/utf_string_conversions.h"
@@ skipping 83 matching lines @@
 
     // Changing the profile name can invalidate the profile index.
     profile_index = cache.GetIndexOfProfileWithPath(profile_file_path);
     if (profile_index == std::string::npos)
       return;
 
     cache.SetIsUsingGAIANameOfProfileAtIndex(profile_index, false);
   }
 }
 
+bool IsRegularOrGuestSession(Browser* browser) {
+  Profile* profile = browser->profile();
+  return (profile->IsGuestSession() || !profile->IsOffTheRecord());
+}
+
 }  // namespace profiles