Separate handler initialization from page initialization

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"
@@ skipping 20 matching lines @@
   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);
+  void UpdateSupportedBrowsers();
 
   // 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_