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If the program is unable to allocate a memory (1MiB) for histogram
recording, just disable persistent histograms. No metrics will ever
be passed to Chrome for upload during this session but it's better
that just crashing during program initialization.

Bug: 946577
Change-Id: I45c5fe7de5de63e7b1395e301e496775fb65346f
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1622767
Commit-Queue: Brian White <bcwhite@chromium.org>
Reviewed-by: Greg Thompson <grt@chromium.org>
Cr-Commit-Position: refs/heads/master@{#663128}