Enable Oilpan by default in modules/filesystem/

Source/modules/filesystem/DirectoryReaderSync.h

 /*
  * 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 17 matching lines @@
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #ifndef DirectoryReaderSync_h
 #define DirectoryReaderSync_h
 
 #include "bindings/v8/ScriptWrappable.h"
 #include "core/fileapi/FileError.h"
 #include "modules/filesystem/DirectoryReaderBase.h"
 #include "platform/heap/Handle.h"
-#include "wtf/RefCounted.h"
-#include "wtf/Vector.h"
 #include "wtf/text/WTFString.h"
 
 namespace WebCore {
 
 class EntrySync;
 class ExceptionState;
 
-typedef WillBeHeapVector<RefPtrWillBeMember<EntrySync> > EntrySyncHeapVector;
+typedef HeapVector<Member<EntrySync> > EntrySyncHeapVector;
 
 class DirectoryReaderSync : public DirectoryReaderBase, public ScriptWrappable {
 public:
-    static PassRefPtrWillBeRawPtr<DirectoryReaderSync> create(PassRefPtrWillBeRawPtr<DOMFileSystemBase> fileSystem, const String& fullPath)
+    static DirectoryReaderSync* create(DOMFileSystemBase* fileSystem, const String& fullPath)
     {
-        return adoptRefWillBeNoop(new DirectoryReaderSync(fileSystem, fullPath));
+        return new DirectoryReaderSync(fileSystem, fullPath);
     }
 
     virtual ~DirectoryReaderSync();
 
     EntrySyncHeapVector readEntries(ExceptionState&);
 
     void addEntries(const EntrySyncHeapVector& entries)
     {
         m_entries.appendVector(entries);
     }
 
     void setError(FileError::ErrorCode code)
     {
         m_errorCode = code;
     }
 
     virtual void trace(Visitor*) OVERRIDE;
 
 private:
     class EntriesCallbackHelper;
     class ErrorCallbackHelper;
 
-    DirectoryReaderSync(PassRefPtrWillBeRawPtr<DOMFileSystemBase>, const String& fullPath);
+    DirectoryReaderSync(DOMFileSystemBase*, const String& fullPath);
 
     int m_callbacksId;
     EntrySyncHeapVector m_entries;
     FileError::ErrorCode m_errorCode;
 };
 
 } // namespace
 
 #endif // DirectoryReaderSync_h