Make GTK and Aura parts orthogonal to OS parts

chrome/browser/chrome_browser_main_win.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.
 
 // Contains functions used by BrowserMain() that are win32-specific.
 
 #ifndef CHROME_BROWSER_CHROME_BROWSER_MAIN_WIN_H_
 #define CHROME_BROWSER_CHROME_BROWSER_MAIN_WIN_H_
 #pragma once
 
 #include "chrome/browser/chrome_browser_main.h"
 
 class CommandLine;
 
 // Handle uninstallation when given the appropriate the command-line switch.
 // If |chrome_still_running| is true a modal dialog will be shown asking the
 // user to close the other chrome instance.
 int DoUninstallTasks(bool chrome_still_running);
 
 // Prepares the localized strings that are going to be displayed to
 // the user if the browser process dies. These strings are stored in the
 // environment block so they are accessible in the early stages of the
 // chrome executable's lifetime.
 void PrepareRestartOnCrashEnviroment(const CommandLine& parsed_command_line);
 
 // Registers Chrome with the Windows Restart Manager, which will restore the
 // Chrome session when the computer is restarted after a system update.
 void RegisterApplicationRestart(const CommandLine& parsed_command_line);
 
-// This method handles the --hide-icons and --show-icons command line options
-// for chrome that get triggered by Windows from registry entries
-// HideIconsCommand & ShowIconsCommand. Chrome doesn't support hide icons
-// functionality so we just ask the users if they want to uninstall Chrome.
-int HandleIconsCommands(const CommandLine& parsed_command_line);
-
 // Check if there is any machine level Chrome installed on the current
 // machine. If yes and the current Chrome process is user level, we do not
 // allow the user level Chrome to run. So we notify the user and uninstall
 // user level Chrome.
 bool CheckMachineLevelInstall();
 
 class ChromeBrowserMainPartsWin : public ChromeBrowserMainParts {
  public:
   explicit ChromeBrowserMainPartsWin(const MainFunctionParams& parameters);
 
   virtual void PreMainMessageLoopStart() OVERRIDE;
+  virtual void ShowMissingLocaleMessageBox() OVERRIDE;
+  virtual int HandleIconsCommands() OVERRIDE;
+  virtual bool CheckMachineLevelInstall() OVERRIDE;
+  virtual void PrepareRestartOnCrashEnviroment() OVERRIDE;
 };
 
 #endif  // CHROME_BROWSER_CHROME_BROWSER_MAIN_WIN_H_