GitLab

This CL adds a fuzzertest to uncover vulnerabilities in media/parsers/webp_parser.
It uses media/test/data as a seed corpus and media/test/webp.dict as a dictionary.

webp.dict is a copy of
https://github.com/mirrorer/afl/blob/master/dictionaries/webp.dict

Bug: 963697
Test: compiles and passes gn checks
Change-Id: I9f5a044fbdaabcb90667ab4c23a782b72b9e5c2b
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1632923Reviewed-by: Dan Sanders <sandersd@chromium.org>
Reviewed-by: Miguel Casas <mcasas@chromium.org>
Reviewed-by: Andres Calderon Jaramillo <andrescj@chromium.org>
Commit-Queue: Gil Dekel <gildekel@chromium.org>
Cr-Commit-Position: refs/heads/master@{#664416}