Remove "2" suffixes from options2 code.

chrome/browser/ui/webui/options2/handler_options_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_HANDLER_OPTIONS_HANDLER2_H_
-#define CHROME_BROWSER_UI_WEBUI_OPTIONS2_HANDLER_OPTIONS_HANDLER2_H_
-
-#include <string>
-
-#include "chrome/browser/custom_handlers/protocol_handler_registry.h"
-#include "chrome/browser/ui/webui/options2/options_ui2.h"
-#include "chrome/common/custom_handlers/protocol_handler.h"
-#include "content/public/browser/notification_registrar.h"
-
-////////////////////////////////////////////////////////////////////////////////
-// HandlerOptionsHandler
-
-// Listen for changes to protocol handlers (i.e. registerProtocolHandler()).
-// This get triggered whenever a user allows a specific website or application
-// to handle clicks on a link with a specified protocol (i.e. mailto: -> Gmail).
-
-namespace base {
-class DictionaryValue;
-}
-
-namespace options2 {
-
-class HandlerOptionsHandler : public OptionsPageUIHandler {
- public:
-  HandlerOptionsHandler();
-  virtual ~HandlerOptionsHandler();
-
-  // OptionsPageUIHandler implementation.
-  virtual void GetLocalizedValues(
-      base::DictionaryValue* localized_strings) OVERRIDE;
-  virtual void InitializeHandler() OVERRIDE;
-  virtual void InitializePage() OVERRIDE;
-  virtual void RegisterMessages() OVERRIDE;
-
-  // content::NotificationObserver implementation.
-  virtual void Observe(int type,
-                       const content::NotificationSource& source,
-                       const content::NotificationDetails& details) OVERRIDE;
-
- private:
-  // Called when the user toggles whether custom handlers are enabled.
-  void SetHandlersEnabled(const ListValue* args);
-
-  // Called when the user sets a new default handler for a protocol.
-  void SetDefault(const ListValue* args);
-
-  // Called when the user clears the default handler for a protocol.
-  // |args| is the string name of the protocol to clear.
-  void ClearDefault(const ListValue* args);
-
-  // Parses a ProtocolHandler out of the arguments passed back from the view.
-  // |args| is a list of [protocol, url, title].
-  ProtocolHandler ParseHandlerFromArgs(const ListValue* args) const;
-
-  // Returns a JSON object describing the set of protocol handlers for the
-  // given protocol.
-  void GetHandlersForProtocol(const std::string& protocol,
-                              base::DictionaryValue* value);
-
-  // Returns a JSON list of the ignored protocol handlers.
-  void GetIgnoredHandlers(ListValue* handlers);
-
-  // Called when the JS PasswordManager object is initialized.
-  void UpdateHandlerList();
-
-  // Remove a handler.
-  // |args| is a list of [protocol, url, title].
-  void RemoveHandler(const ListValue* args);
-
-  // Remove an ignored handler.
-  // |args| is a list of [protocol, url, title].
-  void RemoveIgnoredHandler(const ListValue* args);
-
-  ProtocolHandlerRegistry* GetProtocolHandlerRegistry();
-
-  content::NotificationRegistrar notification_registrar_;
-
-  DISALLOW_COPY_AND_ASSIGN(HandlerOptionsHandler);
-};
-
-}  // namespace options2
-
-#endif  // CHROME_BROWSER_UI_WEBUI_OPTIONS2_HANDLER_OPTIONS_HANDLER2_H_