Google codestyle prescribes sorting #include filenames within a section....

chrome/browser/chromeos/cros_settings_provider_user.h

 // Copyright (c) 2010 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_CROS_SETTINGS_PROVIDER_USER_H_
 #define CHROME_BROWSER_CHROMEOS_CROS_SETTINGS_PROVIDER_USER_H_
 #pragma once
 
+#include "base/scoped_ptr.h"
 #include "base/singleton.h"
-#include "base/scoped_ptr.h"
 #include "chrome/browser/chromeos/cros_settings_provider.h"
 
 class DictionaryValue;
 
 namespace chromeos {
 
 class UserCrosSettingsProvider : public CrosSettingsProvider {
  public:
   virtual void Set(const std::string& path, Value* in_value);
   virtual bool Get(const std::string& path, Value** out_value) const;
   virtual bool HandlesSetting(const std::string& path);
   UserCrosSettingsProvider();
 
  private:
   scoped_ptr<DictionaryValue> dict_;
 
   DISALLOW_COPY_AND_ASSIGN(UserCrosSettingsProvider);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_CROS_SETTINGS_PROVIDER_USER_H_