HeapSnapshotLoader currently always creates JSHeapSnapshot but the snapshot type can be passed as parameter to support native heap snapshots.
Created attachment 183455 [details] Patch
Comment on attachment 183455 [details] Patch lgtm
Comment on attachment 183455 [details] Patch Clearing flags on attachment: 183455 Committed r140306: <http://trac.webkit.org/changeset/140306>
All reviewed patches have been landed. Closing bug.