Enable Oilpan by default in modules/filesystem/

Source/modules/filesystem/DirectoryEntry.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 16 matching lines @@
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #ifndef DirectoryEntry_h
 #define DirectoryEntry_h
 
 #include "modules/filesystem/Entry.h"
 #include "modules/filesystem/FileSystemFlags.h"
 #include "platform/heap/Handle.h"
-#include "wtf/RefCounted.h"
 #include "wtf/text/WTFString.h"
 
 namespace WebCore {
 
 class DOMFileSystemBase;
 class DirectoryReader;
 class EntryCallback;
 class ErrorCallback;
 class VoidCallback;
 
 class DirectoryEntry FINAL : public Entry {
 public:
-    static PassRefPtrWillBeRawPtr<DirectoryEntry> create(PassRefPtrWillBeRawPtr<DOMFileSystemBase> fileSystem, const String& fullPath)
+    static DirectoryEntry* create(DOMFileSystemBase* fileSystem, const String& fullPath)
     {
-        return adoptRefWillBeNoop(new DirectoryEntry(fileSystem, fullPath));
+        return new DirectoryEntry(fileSystem, fullPath);
     }
     virtual bool isDirectory() const OVERRIDE { return true; }
 
-    PassRefPtrWillBeRawPtr<DirectoryReader> createReader();
+    DirectoryReader* createReader();
     void getFile(const String& path, const Dictionary&, PassOwnPtr<EntryCallback> = nullptr, PassOwnPtr<ErrorCallback> = nullptr);
     void getDirectory(const String& path, const Dictionary&, PassOwnPtr<EntryCallback> = nullptr, PassOwnPtr<ErrorCallback> = nullptr);
     void removeRecursively(PassOwnPtr<VoidCallback> successCallback = nullptr, PassOwnPtr<ErrorCallback> = nullptr) const;
 
     virtual void trace(Visitor*) OVERRIDE;
 
 private:
-    DirectoryEntry(PassRefPtrWillBeRawPtr<DOMFileSystemBase>, const String& fullPath);
+    DirectoryEntry(DOMFileSystemBase*, const String& fullPath);
 };
 
 DEFINE_TYPE_CASTS(DirectoryEntry, Entry, entry, entry->isDirectory(), entry.isDirectory());
 
 } // namespace
 
 #endif // DirectoryEntry_h