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BUG=chrome:1146654,chrome:1146790,chrome:1146796,chrome:1147124
TEST=Fuzzer passes repro test cases

Change-Id: Id36ad705e101279dad47c2d8fdb7ab1f59adec36
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2527902Reviewed-by: Sergey Volk <servolk@chromium.org>
Reviewed-by: Dale Curtis <dalecurtis@chromium.org>
Reviewed-by: Jeffrey Kardatzke <jkardatzke@google.com>
Commit-Queue: Jeffrey Kardatzke <jkardatzke@google.com>
Cr-Commit-Position: refs/heads/master@{#825869}