Oilpan: add transition types to FileSystem APIs.

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 21 matching lines @@
 #include "modules/filesystem/FileEntry.h"
 
 #include "core/fileapi/File.h"
 #include "modules/filesystem/DOMFileSystem.h"
 #include "modules/filesystem/ErrorCallback.h"
 #include "modules/filesystem/FileCallback.h"
 #include "modules/filesystem/FileWriterCallback.h"
 
 namespace WebCore {
 
-FileEntry::FileEntry(PassRefPtr<DOMFileSystemBase> fileSystem, const String& fullPath)
+FileEntry::FileEntry(PassRefPtrWillBeRawPtr<DOMFileSystemBase> fileSystem, const String& fullPath)
     : Entry(fileSystem, fullPath)
 {
     ScriptWrappable::init(this);
 }
 
 void FileEntry::createWriter(PassOwnPtr<FileWriterCallback> successCallback, PassOwnPtr<ErrorCallback> errorCallback)
 {
     filesystem()->createWriter(this, successCallback, errorCallback);
 }
 
 void FileEntry::file(PassOwnPtr<FileCallback> successCallback, PassOwnPtr<ErrorCallback> errorCallback)
 {
     filesystem()->createFile(this, successCallback, errorCallback);
 }
 
+void FileEntry::trace(Visitor* visitor)
+{
+    Entry::trace(visitor);
+}
+
 } // namespace