[uber page] Split up initialization of handlers from initialization of webui pages

chrome/browser/ui/webui/options/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_OPTIONS_EXTENSION_SETTINGS_HANDLER_H_
 #define CHROME_BROWSER_UI_WEBUI_OPTIONS_EXTENSION_SETTINGS_HANDLER_H_
 #pragma once
 
 #include <set>
 #include <string>
@@ skipping 120 matching lines @@
   virtual void MultiFilesSelected(
       const std::vector<FilePath>& files, void* params) OVERRIDE;
   virtual void FileSelectionCanceled(void* params) OVERRIDE {}
 
   // WebUIMessageHandler implementation.
   virtual void RegisterMessages() OVERRIDE;
 
   // OptionsUIHandler implementation.
   virtual void GetLocalizedValues(
       base::DictionaryValue* localized_strings) OVERRIDE;
-  virtual void Initialize() OVERRIDE;
 
   // content::NotificationObserver implementation.
   virtual void Observe(int type,
                        const content::NotificationSource& source,
                        const content::NotificationDetails& details) OVERRIDE;
 
   // ExtensionUninstallDialog::Delegate implementation, used for receiving
   // notification about uninstall confirmation dialog selections.
   virtual void ExtensionUninstallAccepted() OVERRIDE;
   virtual void ExtensionUninstallCanceled() OVERRIDE;
@@ skipping 37 matching lines @@
   // We want to register for notifications only after we've responded at least
   // once to the page, otherwise we'd be calling javacsript functions on objects
   // that don't exist yet when notifications come in. This variable makes sure
   // we do so only once.
   bool registered_for_notifications_;
 
   DISALLOW_COPY_AND_ASSIGN(ExtensionSettingsHandler);
 };
 
 #endif  // CHROME_BROWSER_UI_WEBUI_OPTIONS_EXTENSION_SETTINGS_HANDLER_H_