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This change adds a call to ProduceTextureDirectCHROIMIUM to
disassociate a mailbox from its texture in case the texture
gets recycled by skia, in which case the mailbox name would be
leaked.

BUG=789742

Cq-Include-Trybots: master.tryserver.chromium.linux:linux_layout_tests_slimming_paint_v2
Change-Id: Ic07fc9897a2fa9e42bc5b1202e044c4171ca9f9a
Reviewed-on: https://chromium-review.googlesource.com/801496Reviewed-by: Olivia Lai <xlai@chromium.org>
Commit-Queue: Justin Novosad <junov@chromium.org>
Cr-Commit-Position: refs/heads/master@{#520720}