Oilpan: add transition types to FileSystem APIs.

Source/modules/filesystem/DirectoryReaderSync.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 23 matching lines @@
 #include "bindings/v8/ExceptionState.h"
 #include "core/dom/ExceptionCode.h"
 #include "modules/filesystem/DirectoryEntry.h"
 #include "modules/filesystem/DirectoryEntrySync.h"
 #include "modules/filesystem/EntrySync.h"
 #include "modules/filesystem/FileEntrySync.h"
 #include "modules/filesystem/SyncCallbackHelper.h"
 
 namespace WebCore {
 
-DirectoryReaderSync::DirectoryReaderSync(PassRefPtr<DOMFileSystemBase> fileSystem, const String& fullPath)
+DirectoryReaderSync::DirectoryReaderSync(PassRefPtrWillBeRawPtr<DOMFileSystemBase> fileSystem, const String& fullPath)
     : DirectoryReaderBase(fileSystem, fullPath)
 {
     ScriptWrappable::init(this);
 }
 
 EntrySyncVector DirectoryReaderSync::readEntries(ExceptionState& exceptionState)
 {
     if (!m_hasMoreEntries)
         return EntrySyncVector();
 
     EntriesSyncCallbackHelper helper;
     if (!m_fileSystem->readDirectory(this, m_fullPath, helper.successCallback(), helper.errorCallback(), DOMFileSystemBase::Synchronous)) {
         exceptionState.throwDOMException(InvalidModificationError, "Failed to read the directory.");
         setHasMoreEntries(false);
         return EntrySyncVector();
     }
     return helper.getResult(exceptionState);
 }
 
 } // namespace