Enable Oilpan by default in modules/filesystem/

Source/modules/filesystem/DOMFileSystemSync.h

Index: Source/modules/filesystem/DOMFileSystemSync.h
diff --git a/Source/modules/filesystem/DOMFileSystemSync.h b/Source/modules/filesystem/DOMFileSystemSync.h
index 23f32633d575294e60a6a928efd3d95d9a4faeaa..c71f2259a7acfcbc750f0acb0c41d42d25d83e27 100644
--- a/Source/modules/filesystem/DOMFileSystemSync.h
+++ b/Source/modules/filesystem/DOMFileSystemSync.h
@@ -45,18 +45,18 @@ class ExceptionState;
 
 class DOMFileSystemSync FINAL : public DOMFileSystemBase, public ScriptWrappable {
 public:
-    static PassRefPtrWillBeRawPtr<DOMFileSystemSync> create(ExecutionContext* context, const String& name, FileSystemType type, const KURL& rootURL)
+    static DOMFileSystemSync* create(ExecutionContext* context, const String& name, FileSystemType type, const KURL& rootURL)
     {
-        return adoptRefWillBeRefCountedGarbageCollected(new DOMFileSystemSync(context, name, type, rootURL));
+        return new DOMFileSystemSync(context, name, type, rootURL);
     }
 
-    static PassRefPtrWillBeRawPtr<DOMFileSystemSync> create(DOMFileSystemBase*);
+    static DOMFileSystemSync* create(DOMFileSystemBase*);
 
     virtual ~DOMFileSystemSync();
 
     virtual void reportError(PassOwnPtr<ErrorCallback>, PassRefPtrWillBeRawPtr<FileError>) OVERRIDE;
 
-    PassRefPtrWillBeRawPtr<DirectoryEntrySync> root();
+    DirectoryEntrySync* root();
 
     PassRefPtrWillBeRawPtr<File> createFile(const FileEntrySync*, ExceptionState&);
     PassRefPtrWillBeRawPtr<FileWriterSync> createWriter(const FileEntrySync*, ExceptionState&);