Remove "2" suffixes from options2 code.

chrome/browser/ui/webui/options2/import_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_IMPORT_DATA_HANDLER2_H_
-#define CHROME_BROWSER_UI_WEBUI_OPTIONS2_IMPORT_DATA_HANDLER2_H_
-#pragma once
-
-#include "base/basictypes.h"
-#include "base/compiler_specific.h"
-#include "base/memory/ref_counted.h"
-#include "chrome/browser/importer/importer_data_types.h"
-#include "chrome/browser/importer/importer_list_observer.h"
-#include "chrome/browser/importer/importer_progress_observer.h"
-#include "chrome/browser/ui/webui/options2/options_ui2.h"
-
-class ImporterHost;
-class ImporterList;
-
-namespace options2 {
-
-// Chrome personal stuff import data overlay UI handler.
-class ImportDataHandler : public OptionsPageUIHandler,
-                          public importer::ImporterListObserver,
-                          public importer::ImporterProgressObserver {
- public:
-  ImportDataHandler();
-  virtual ~ImportDataHandler();
-
-  // OptionsPageUIHandler:
-  virtual void GetLocalizedValues(
-      base::DictionaryValue* localized_strings) OVERRIDE;
-  virtual void InitializeHandler() OVERRIDE;
-  virtual void InitializePage() OVERRIDE;
-
-  // WebUIMessageHandler:
-  virtual void RegisterMessages() OVERRIDE;
-
- private:
-  void ImportData(const base::ListValue* args);
-
-  // importer::ImporterListObserver:
-  virtual void OnSourceProfilesLoaded() OVERRIDE;
-
-  // importer::ImporterProgressObserver:
-  virtual void ImportStarted() OVERRIDE;
-  virtual void ImportItemStarted(importer::ImportItem item) OVERRIDE;
-  virtual void ImportItemEnded(importer::ImportItem item) OVERRIDE;
-  virtual void ImportEnded() OVERRIDE;
-
-  scoped_refptr<ImporterList> importer_list_;
-
-  // If non-null it means importing is in progress. ImporterHost takes care
-  // of deleting itself when import is complete.
-  ImporterHost* importer_host_;  // weak
-
-  bool import_did_succeed_;
-
-  DISALLOW_COPY_AND_ASSIGN(ImportDataHandler);
-};
-
-}  // namespace options2
-
-#endif  // CHROME_BROWSER_UI_WEBUI_OPTIONS2_IMPORT_DATA_HANDLER2_H_