Revamped signin/sync error surfacing on desktop user menu

chrome/common/url_constants.h

 // Copyright (c) 2012 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.
 
 // Contains constants for known URLs and portions thereof.
 
 #ifndef CHROME_COMMON_URL_CONSTANTS_H_
 #define CHROME_COMMON_URL_CONSTANTS_H_
 
 #include <stddef.h>
@@ skipping 312 matching lines @@
 extern const char kHandlerSettingsSubPage[];
 extern const char kImportDataSubPage[];
 extern const char kLanguageOptionsSubPage[];
 extern const char kManageProfileSubPage[];
 extern const char kPasswordManagerSubPage[];
 extern const char kPowerOptionsSubPage[];
 extern const char kResetProfileSettingsSubPage[];
 extern const char kSearchEnginesSubPage[];
 extern const char kSearchSubPage[];
 extern const char kSearchUsersSubPage[];
+extern const char kSignOutSubPage[];
 extern const char kSyncSetupSubPage[];
 extern const char kTriggeredResetProfileSettingsSubPage[];
 #if defined(OS_CHROMEOS)
 extern const char kInternetOptionsSubPage[];
 extern const char kChangeProfilePictureSubPage[];
 #endif
 
 // Extensions sub pages.
 extern const char kExtensionConfigureCommandsSubPage[];
 
@@ skipping 245 matching lines @@
 extern const char kChooserUsbOverviewURL[];
 
 #if defined(OS_CHROMEOS)
 // The URL for EOL notification
 extern const char kEolNotificationURL[];
 #endif
 
 }  // namespace chrome
 
 #endif  // CHROME_COMMON_URL_CONSTANTS_H_