media/gpu/v4l2: Remove usage of typed pointers in VP8 accelerator

This patch removes VP8 structure typed pointer usage in favor of basic
pointers as those typed pointers are not found in upstream and will also
be used when supported legacy and new VP8 headers in parallel.

Bug: 917279
Test: build video_decode_accelerator_unittest with Chrome OS linux-headers including http://crrev.com/c/1717073
Change-Id: I7082f3d5ec015942953cfab8e2d195b7a49ecea6
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1715280
Reviewed-by: Alexandre Courbot <acourbot@chromium.org>
Auto-Submit: Tomasz Figa <tfiga@chromium.org>
Commit-Queue: Tomasz Figa <tfiga@chromium.org>
Cr-Commit-Position: refs/heads/master@{#680776}
1 file changed