Remove "2" suffixes from options2 code.

chrome/browser/ui/webui/options2/clear_browser_data_handler2.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_OPTIONS2_CLEAR_BROWSER_DATA_HANDLER2_H_
-#define CHROME_BROWSER_UI_WEBUI_OPTIONS2_CLEAR_BROWSER_DATA_HANDLER2_H_
-#pragma once
-
-#include "chrome/browser/browsing_data_remover.h"
-#include "chrome/browser/prefs/pref_member.h"
-#include "chrome/browser/ui/webui/options2/options_ui2.h"
-
-namespace options2 {
-
-// Clear browser data handler page UI handler.
-class ClearBrowserDataHandler : public OptionsPageUIHandler,
-                                public BrowsingDataRemover::Observer {
- public:
-  ClearBrowserDataHandler();
-  virtual ~ClearBrowserDataHandler();
-
-  // OptionsPageUIHandler implementation.
-  virtual void GetLocalizedValues(DictionaryValue* localized_strings) OVERRIDE;
-  virtual void InitializeHandler() OVERRIDE;
-
-  // WebUIMessageHandler implementation.
-  virtual void RegisterMessages() OVERRIDE;
-
- private:
-  // Javascript callback to start clearing data.
-  void HandleClearBrowserData(const ListValue* value);
-
-  // BrowsingDataRemover::Observer implementation.
-  // Closes the dialog once all requested data has been removed.
-  virtual void OnBrowsingDataRemoverDone() OVERRIDE;
-
-  // If non-null it means removal is in progress. BrowsingDataRemover takes care
-  // of deleting itself when done.
-  BrowsingDataRemover* remover_;
-
-  // Keeps track of whether clearing LSO data is supported.
-  BooleanPrefMember clear_plugin_lso_data_enabled_;
-
-  DISALLOW_COPY_AND_ASSIGN(ClearBrowserDataHandler);
-};
-
-}  // namespace options2
-
-#endif  // CHROME_BROWSER_UI_WEBUI_OPTIONS2_CLEAR_BROWSER_DATA_HANDLER2_H_