WebPImageDecoder allocates a decoder for progressive decodes, but never deletes it.
Created attachment 117777 [details] Patch
Comment on attachment 117777 [details] Patch LGTM.
Comment on attachment 117777 [details] Patch Clearing flags on attachment: 117777 Committed r101948: <http://trac.webkit.org/changeset/101948>
All reviewed patches have been landed. Closing bug.
Good catch, thanks!