InlinedVisitor: Migrate filesystem to use inlined tracing

Source/modules/filesystem/FileEntry.cpp

 /*
  * Copyright (C) 2010 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 36 matching lines @@
 void FileEntry::createWriter(FileWriterCallback* successCallback, ErrorCallback* errorCallback)
 {
     filesystem()->createWriter(this, successCallback, errorCallback);
 }
 
 void FileEntry::file(FileCallback* successCallback, ErrorCallback* errorCallback)
 {
     filesystem()->createFile(this, successCallback, errorCallback);
 }
 
-void FileEntry::trace(Visitor* visitor)
+DEFINE_TRACE(FileEntry)
 {
     Entry::trace(visitor);
 }
 
 } // namespace