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We previously removed the optimization that this option turned off but
forgot to remove the option. It currently does nothing, so removing it
is a no-op.

Change-Id: Iefe122b9351dbe06f88fec098d4267b789b8e786
Reviewed-on: https://chromium-review.googlesource.com/578245
Commit-Queue: Jan Wilken Dörrie <jdoerrie@chromium.org>
Reviewed-by: Jan Wilken Dörrie <jdoerrie@chromium.org>
Cr-Commit-Position: refs/heads/master@{#488156}