InlinedVisitor: Migrate filesystem to use inlined tracing

Source/modules/filesystem/DOMFileSystem.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 109 matching lines @@
 
 namespace {
 
 class ConvertToFileWriterCallback : public FileWriterBaseCallback {
 public:
     static ConvertToFileWriterCallback* create(FileWriterCallback* callback)
     {
         return new ConvertToFileWriterCallback(callback);
     }
 
-    void trace(Visitor* visitor)
+    DEFINE_INLINE_TRACE()
     {
         visitor->trace(m_callback);
         FileWriterBaseCallback::trace(visitor);
     }
 
     void handleEvent(FileWriterBase* fileWriterBase)
     {
         m_callback->handleEvent(static_cast<FileWriter*>(fileWriterBase));
     }
 private:
@@ skipping 25 matching lines @@
 {
     KURL fileSystemURL = createFileSystemURL(fileEntry);
     if (!fileSystem()) {
         reportError(errorCallback, FileError::create(FileError::ABORT_ERR));
         return;
     }
 
     fileSystem()->createSnapshotFileAndReadMetadata(fileSystemURL, SnapshotFileCallback::create(this, fileEntry->name(), fileSystemURL, successCallback, errorCallback, m_context));
 }
 
-void DOMFileSystem::trace(Visitor* visitor)
+DEFINE_TRACE(DOMFileSystem)
 {
     DOMFileSystemBase::trace(visitor);
     ActiveDOMObject::trace(visitor);
 }
 
 } // namespace blink