Make GTK and Aura parts orthogonal to OS parts

chrome/browser/chrome_browser_parts_gtk.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 gtk-specific.
+
+#ifndef CHROME_BROWSER_CHROME_BROWSER_PARTS_GTK_H_
+#define CHROME_BROWSER_CHROME_BROWSER_PARTS_GTK_H_
+#pragma once
+
+#include "base/compiler_specific.h"
+#include "content/public/browser/browser_main_parts.h"
+
+class ChromeBrowserPartsGtk : public content::BrowserMainParts {
+ public:
+  ChromeBrowserPartsGtk();
+
+  virtual void PreEarlyInitialization() OVERRIDE;
+  virtual void PostEarlyInitialization() OVERRIDE {}
+  virtual void PreMainMessageLoopStart() OVERRIDE {}
+  virtual void ToolkitInitialized() OVERRIDE {}
+  virtual void PostMainMessageLoopStart() OVERRIDE {}
+  virtual int PreMainMessageLoopRun() OVERRIDE {
+    return content::RESULT_CODE_NORMAL_EXIT;
+  }
+  virtual bool MainMessageLoopRun() OVERRIDE { return false; }
+  virtual void PostMainMessageLoopRun() {}
+
+  static void ShowMessageBox(const char* message);
+
+ private:
+  void DetectRunningAsRoot();
+};
+
+#endif  // CHROME_BROWSER_CHROME_BROWSER_PARTS_GTK_H_