Add managed user lock/unlock button for the extensions page.

chrome/browser/ui/webui/extensions/extension_settings_handler.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_UI_WEBUI_EXTENSIONS_EXTENSION_SETTINGS_HANDLER_H_
 #define CHROME_BROWSER_UI_WEBUI_EXTENSIONS_EXTENSION_SETTINGS_HANDLER_H_
 
 #include <set>
 #include <string>
 #include <vector>
@@ skipping 112 matching lines @@
   // extensions::ExtensionWarningService::Observer implementation.
   virtual void ExtensionWarningsChanged() OVERRIDE;
 
   // ExtensionInstallPrompt::Delegate implementation.
   virtual void InstallUIProceed() OVERRIDE;
   virtual void InstallUIAbort(bool user_initiated) OVERRIDE;
 
   // Helper method that reloads all unpacked extensions.
   void ReloadUnpackedExtensions();
 
+  // Callback for "authenticate" message.
+  void DoAuthenticate(const base::ListValue* args);
+
+  // Callback for "endAuthentication" message.
+  void EndAuthentication(const base::ListValue* args);
+
   // Callback for "requestExtensionsData" message.
   void HandleRequestExtensionsData(const base::ListValue* args);
 
   // Callback for "toggleDeveloperMode" message.
   void HandleToggleDeveloperMode(const base::ListValue* args);
 
   // Callback for "inspect" message.
   void HandleInspectMessage(const base::ListValue* args);
 
   // Callback for "launch" message.
@@ skipping 114 matching lines @@
   scoped_ptr<ExtensionInstallPrompt> prompt_;
 
   ScopedObserver<extensions::ExtensionWarningService,
                  extensions::ExtensionWarningService::Observer>
       warning_service_observer_;
 
   DISALLOW_COPY_AND_ASSIGN(ExtensionSettingsHandler);
 };
 
 #endif  // CHROME_BROWSER_UI_WEBUI_EXTENSIONS_EXTENSION_SETTINGS_HANDLER_H_