Revert "Options2: Pull the trigger."

chrome/browser/ui/webui/options2/options_ui.h

-// Copyright (c) 2011 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_OPTIONS2_OPTIONS_UI_H_
-#define CHROME_BROWSER_UI_WEBUI_OPTIONS2_OPTIONS_UI_H_
-#pragma once
-
-#include <string>
-
-#include "base/compiler_specific.h"
-#include "base/memory/scoped_ptr.h"
-#include "chrome/browser/ui/webui/chrome_url_data_manager.h"
-#include "chrome/browser/ui/webui/chrome_web_ui.h"
-#include "content/public/browser/notification_observer.h"
-#include "content/public/browser/notification_registrar.h"
-#include "content/public/browser/notification_types.h"
-
-// The base class handler of Javascript messages of options pages.
-class OptionsPage2UIHandler : public WebUIMessageHandler,
-                              public content::NotificationObserver {
- public:
-  OptionsPage2UIHandler();
-  virtual ~OptionsPage2UIHandler();
-
-  // Is this handler enabled?
-  virtual bool IsEnabled();
-
-  // Collects localized strings for options page.
-  virtual void GetLocalizedValues(base::DictionaryValue* localized_strings) = 0;
-
-  // Initialize the page.  Called once the DOM is available for manipulation.
-  // This will be called only once.
-  virtual void Initialize() {}
-
-  // Uninitializes the page.  Called just before the object is destructed.
-  virtual void Uninitialize() {}
-
-  // WebUIMessageHandler implementation.
-  virtual void RegisterMessages() OVERRIDE {}
-
-  // content::NotificationObserver implementation.
-  virtual void Observe(int type,
-                       const content::NotificationSource& source,
-                       const content::NotificationDetails& details) OVERRIDE {}
-
- protected:
-  struct OptionsStringResource {
-    // The name of the resource in templateData.
-    const char* name;
-    // The .grd ID for the resource (IDS_*).
-    int id;
-  };
-  // A helper for simplifying the process of registering strings in WebUI.
-  static void RegisterStrings(base::DictionaryValue* localized_strings,
-                              const OptionsStringResource* resources,
-                              size_t length);
-
-  // Registers string resources for a page's header and tab title.
-  static void RegisterTitle(base::DictionaryValue* localized_strings,
-                            const std::string& variable_name,
-                            int title_id);
-
-  content::NotificationRegistrar registrar_;
-
- private:
-  DISALLOW_COPY_AND_ASSIGN(OptionsPage2UIHandler);
-};
-
-// An interface for common operations that a host of OptionsPage2UIHandlers
-// should provide.
-class OptionsPage2UIHandlerHost {
- public:
-  virtual void InitializeHandlers() = 0;
-
- protected:
-  virtual ~OptionsPage2UIHandlerHost() {}
-};
-
-// The WebUI for chrome:settings-frame.
-class Options2UI : public ChromeWebUI,
-                   public OptionsPage2UIHandlerHost {
- public:
-  explicit Options2UI(TabContents* contents);
-  virtual ~Options2UI();
-
-  static RefCountedMemory* GetFaviconResourceBytes();
-
-  // WebUI implementation.
-  virtual void RenderViewCreated(RenderViewHost* render_view_host) OVERRIDE;
-  virtual void RenderViewReused(RenderViewHost* render_view_host) OVERRIDE;
-  virtual void DidBecomeActiveForReusedRenderView() OVERRIDE;
-
-  // Overridden from OptionsPage2UIHandlerHost:
-  virtual void InitializeHandlers() OVERRIDE;
-
- private:
-  // Adds OptionsPageUiHandler to the handlers list if handler is enabled.
-  void AddOptionsPageUIHandler(base::DictionaryValue* localized_strings,
-                               OptionsPage2UIHandler* handler);
-
-  // Sets the WebUI CommandLineString property with arguments passed while
-  // launching chrome.
-  void SetCommandLineString(RenderViewHost* render_view_host);
-
-  bool initialized_handlers_;
-
-  DISALLOW_COPY_AND_ASSIGN(Options2UI);
-};
-
-#endif  // CHROME_BROWSER_UI_WEBUI_OPTIONS2_OPTIONS_UI_H_