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

chrome/browser/chromeos/cros/burn_library.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_BURN_LIBRARY_H_
 #define CHROME_BROWSER_CHROMEOS_CROS_BURN_LIBRARY_H_
 
 #include <string>
 #include <vector>
 
 #include "base/file_path.h"
+#include "base/observer_list.h"
 #include "base/weak_ptr.h"
-#include "base/observer_list.h"
 
 #include "cros/chromeos_imageburn.h"
 
 struct ImageBurnStatus {
   explicit ImageBurnStatus(const chromeos::BurnStatus& status)
       : amount_burnt(status.amount_burnt),
         total_size(status.total_size) {
     if (status.target_path)
       target_path = status.target_path;
     if (status.error)
@@ skipping 69 matching lines @@
   base::WeakPtr<BurnLibraryImpl> library_;
 
   friend class base::RefCountedThreadSafe<BurnLibraryTaskProxy>;
 
   DISALLOW_COPY_AND_ASSIGN(BurnLibraryTaskProxy);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_CROS_BURN_LIBRARY_H_