Add ChromeBrowserMainExtraParts for non main parts.

chrome/browser/chromeos/chrome_browser_main_chromeos.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.
 
 #ifndef CHROME_BROWSER_CHROMEOS_CHROME_BROWSER_MAIN_CHROMEOS_H_
 #define CHROME_BROWSER_CHROMEOS_CHROME_BROWSER_MAIN_CHROMEOS_H_
 
 #include "base/memory/scoped_ptr.h"
 #include "chrome/browser/chrome_browser_main_linux.h"
 
 namespace chromeos {
 class BrightnessObserver;
 class SessionManagerObserver;
 }  // namespace chromeos
 
 class ChromeBrowserMainPartsChromeos : public ChromeBrowserMainPartsLinux {
  public:
   explicit ChromeBrowserMainPartsChromeos(
       const content::MainFunctionParams& parameters);
   virtual ~ChromeBrowserMainPartsChromeos();
 
+  // content::BrowserMainParts overrides.
   virtual void PreEarlyInitialization() OVERRIDE;
+

[jam, 2011/11/14 19:45:55]

nit: the blank lines are unnecessary, we usually put all overrides right after
each other

[stevenjb, 2011/11/14 23:31:10]

Done.

   virtual void PreMainMessageLoopStart() OVERRIDE;
+  virtual void PostMainMessageLoopStart() OVERRIDE;
+
   virtual void PreMainMessageLoopRun() OVERRIDE;
-  virtual void PostMainMessageLoopStart() OVERRIDE;
 
  private:
   scoped_ptr<chromeos::BrightnessObserver> brightness_observer_;
   scoped_ptr<chromeos::SessionManagerObserver> session_manager_observer_;
 
   DISALLOW_COPY_AND_ASSIGN(ChromeBrowserMainPartsChromeos);
 };
 
 #endif  // CHROME_BROWSER_CHROMEOS_CHROME_BROWSER_MAIN_CHROMEOS_H_