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This generally should only happen if the renderer is compromised.

BUG=none
TEST=none

Change-Id: I88d522e1e5f3f557c7f976541b6dc50fb0cfed81
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2631296Reviewed-by: Shimi Zhang <ctzsm@chromium.org>
Commit-Queue: Scott Violet <sky@chromium.org>
Cr-Commit-Position: refs/heads/master@{#844116}