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Given that we race on every navigation, it doesn't make sense to retry
the batch update hints fetching since we'll just fetch for any necessary
failures on navigation anyway.

Change-Id: I6d96d5d6ac34252e80f36ba8c7732fb1e1e3ff9c
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2426972Reviewed-by: Michael Crouse <mcrouse@chromium.org>
Commit-Queue: Sophie Chang <sophiechang@chromium.org>
Cr-Commit-Position: refs/heads/master@{#809992}