Make GTK and Aura parts orthogonal to OS parts

chrome/browser/chrome_browser_main_gtk.h

Index: chrome/browser/chrome_browser_main_gtk.h
diff --git a/chrome/browser/chrome_browser_main_gtk.h b/chrome/browser/chrome_browser_main_gtk.h
deleted file mode 100644
index e55e4fe193888d48e8c287710de8e6b6d71c98de..0000000000000000000000000000000000000000
--- a/chrome/browser/chrome_browser_main_gtk.h
+++ /dev/null
@@ -1,25 +0,0 @@
-// 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 gtk-specific.
-
-#ifndef CHROME_BROWSER_CHROME_BROWSER_MAIN_GTK_H_
-#define CHROME_BROWSER_CHROME_BROWSER_MAIN_GTK_H_
-#pragma once
-
-#include "base/compiler_specific.h"
-#include "chrome/browser/chrome_browser_main_posix.h"
-#include "chrome/browser/chrome_browser_main_x11.h"
-
-class ChromeBrowserMainPartsGtk : public ChromeBrowserMainPartsPosix {
- public:
-  explicit ChromeBrowserMainPartsGtk(const MainFunctionParams& parameters);
-
-  virtual void PreEarlyInitialization() OVERRIDE;
-
- private:
-  void DetectRunningAsRoot();
-};
-
-#endif  // CHROME_BROWSER_CHROME_BROWSER_MAIN_GTK_H_