Added IsPublicSession utility function to profiles_state

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 <stddef.h>
 
 #include "base/files/file_path.h"
 #include "base/strings/utf_string_conversions.h"
@@ skipping 16 matching lines @@
 #include "chrome/grit/generated_resources.h"
 #include "components/prefs/pref_registry_simple.h"
 #include "components/prefs/pref_service.h"
 #include "components/signin/core/browser/profile_oauth2_token_service.h"
 #include "components/signin/core/common/profile_management_switches.h"
 #include "components/signin/core/common/signin_pref_names.h"
 #include "content/public/browser/resource_dispatcher_host.h"
 #include "ui/base/l10n/l10n_util.h"
 #include "ui/gfx/text_elider.h"
 
+#if defined(OS_CHROMEOS)
+#include "chromeos/login/login_state.h"
+#endif
+
 namespace profiles {
 
 bool IsMultipleProfilesEnabled() {
 #if defined(OS_ANDROID)
   return false;
 #endif
   return true;
 }
 
 base::FilePath GetDefaultProfileDir(const base::FilePath& user_data_dir) {
@@ skipping 225 matching lines @@
     if (!entry->IsChild() && !entry->IsLegacySupervised()) {
       at_least_one_regular_profile_present = true;
 
       if (!entry->IsSigninRequired())
         return false;
     }
   }
   return at_least_one_regular_profile_present;
 }
 
+bool IsPublicSession() {
+#if defined(OS_CHROMEOS)
+  if (chromeos::LoginState::IsInitialized()) {
+    return chromeos::LoginState::Get()->IsPublicSessionUser();
+  }
+#endif
+  return false;
+}
+
 }  // namespace profiles