Oilpan: Enable oilpan for callback classes

Source/modules/filesystem/FileEntry.cpp

Index: Source/modules/filesystem/FileEntry.cpp
diff --git a/Source/modules/filesystem/FileEntry.cpp b/Source/modules/filesystem/FileEntry.cpp
index 6056e508c7ea09e9f413c88e96263bf6745f11e6..909ce24fbaa46a3c79f69d72ba64ac965c869805 100644
--- a/Source/modules/filesystem/FileEntry.cpp
+++ b/Source/modules/filesystem/FileEntry.cpp
@@ -44,12 +44,12 @@ FileEntry::FileEntry(DOMFileSystemBase* fileSystem, const String& fullPath)
 {
 }
 
-void FileEntry::createWriter(PassOwnPtrWillBeRawPtr<FileWriterCallback> successCallback, PassOwnPtrWillBeRawPtr<ErrorCallback> errorCallback)
+void FileEntry::createWriter(FileWriterCallback* successCallback, ErrorCallback* errorCallback)
 {
     filesystem()->createWriter(this, successCallback, errorCallback);
 }
 
-void FileEntry::file(PassOwnPtrWillBeRawPtr<FileCallback> successCallback, PassOwnPtrWillBeRawPtr<ErrorCallback> errorCallback)
+void FileEntry::file(FileCallback* successCallback, ErrorCallback* errorCallback)
 {
     filesystem()->createFile(this, successCallback, errorCallback);
 }