[NaCl SDK] Consistent use of copyright header.

native_client_sdk/src/libraries/nacl_io/mount_factory.h

-/* Copyright (c) 2013 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.
- */
+// Copyright (c) 2013 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 LIBRARIES_NACL_IO_MOUNT_FACTORY_H_
 #define LIBRARIES_NACL_IO_MOUNT_FACTORY_H_
 
 #include <map>
 #include <string>
 
 #include "nacl_io/error.h"
 #include "sdk_util/scoped_ref.h"
 
 class PepperInterface;
 class Mount;
 
 typedef std::map<std::string, std::string> StringMap_t;
 
 class MountFactory {
  public:
   virtual ~MountFactory() {}
   virtual Error CreateMount(int dev,
                             StringMap_t& args,
                             PepperInterface* ppapi,
                             ScopedRef<Mount>* out_mount) = 0;
 };
 
 #endif  // LIBRARIES_NACL_IO_MOUNT_FACTORY_H_