Remove some NOTIFICATION_EXTENSION_UNLOADED_DEPRECATED from c/b/extensions Part2

chrome/browser/extensions/external_install_ui.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.
 
 #ifndef CHROME_BROWSER_EXTENSIONS_EXTERNAL_INSTALL_UI_H_
 #define CHROME_BROWSER_EXTENSIONS_EXTERNAL_INSTALL_UI_H_
 
 class Browser;
 class ExtensionService;
 
 namespace extensions {
 
 class Extension;
 
 // Adds/Removes a global error informing the user that an external extension
 // was installed. If |is_new_profile| is true, then this error is from the
 // first time our profile checked for new external extensions.
 void AddExternalInstallError(ExtensionService* service,
                              const Extension* extension,
                              bool is_new_profile);
 void RemoveExternalInstallError(ExtensionService* service);
 
+bool HasExternalInstallError(ExtensionService* service);
+
 // Used for testing.
-bool HasExternalInstallError(ExtensionService* service);
 bool HasExternalInstallBubble(ExtensionService* service);
 
 }  // namespace extensions
 
 #endif  // CHROME_BROWSER_EXTENSIONS_EXTERNAL_INSTALL_UI_H_