Enable Oilpan by default in modules/filesystem/

Source/modules/filesystem/FileWriter.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 26 matching lines @@
 #include "core/fileapi/Blob.h"
 #include "public/platform/WebFileWriter.h"
 #include "public/platform/WebURL.h"
 #include "wtf/CurrentTime.h"
 
 namespace WebCore {
 
 static const int kMaxRecursionDepth = 3;
 static const double progressNotificationIntervalMS = 50;
 
-PassRefPtrWillBeRawPtr<FileWriter> FileWriter::create(ExecutionContext* context)
+FileWriter* FileWriter::create(ExecutionContext* context)
 {
-    RefPtrWillBeRawPtr<FileWriter> fileWriter(adoptRefWillBeRefCountedGarbageCollected(new FileWriter(context)));
+    FileWriter* fileWriter = adoptRefCountedGarbageCollected(new FileWriter(context));
     fileWriter->suspendIfNeeded();
-    return fileWriter.release();
+    return fileWriter;
 }
 
 FileWriter::FileWriter(ExecutionContext* context)
     : ActiveDOMObject(context)
     , m_readyState(INIT)
     , m_operationInProgress(OperationNone)
     , m_queuedOperation(OperationNone)
     , m_bytesWritten(0)
     , m_bytesToWrite(0)
     , m_truncateLength(-1)
@@ skipping 258 matching lines @@
 
 void FileWriter::trace(Visitor* visitor)
 {
     visitor->trace(m_error);
     visitor->trace(m_blobBeingWritten);
     FileWriterBase::trace(visitor);
     EventTargetWithInlineData::trace(visitor);
 }
 
 } // namespace WebCore