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The latter is deprecated, and doesn't seem to support thread pool
environment. So switching to the former.

BUG=1009839

Change-Id: Ieef5e65b6220d46cd262f1550324f8636dbeb68d
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1918221
Commit-Queue: Min Qin <qinmin@chromium.org>
Reviewed-by: Xing Liu <xingliu@chromium.org>
Cr-Commit-Position: refs/heads/master@{#715802}