Enable Oilpan by default in modules/filesystem/

Source/modules/filesystem/FileWriterSync.h

Index: Source/modules/filesystem/FileWriterSync.h
diff --git a/Source/modules/filesystem/FileWriterSync.h b/Source/modules/filesystem/FileWriterSync.h
index 2a359713f272c998042abd7de1005bcf36011cb3..f3a63cf2069e0e745dc31a354cb6c5ccf3f75e71 100644
--- a/Source/modules/filesystem/FileWriterSync.h
+++ b/Source/modules/filesystem/FileWriterSync.h
@@ -46,7 +46,7 @@ class FileWriterSync FINAL : public FileWriterBase, public ScriptWrappable, publ
 public:
     static PassRefPtrWillBeRawPtr<FileWriterSync> create()

[haraken, 2014/06/07 08:11:04]

Ditto. FileWriterSync*.

Let's manually grep RefPtrs to RefCountedGarbageCollected objects and remove
them.

[sof, 2014/06/07 13:18:53]

That will work as it is not EventTarget-derived. Done.

     {
-        return adoptRefWillBeRefCountedGarbageCollected(new FileWriterSync());
+        return adoptRefCountedGarbageCollected(new FileWriterSync());
     }
     virtual ~FileWriterSync();