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Reland patch from issue 951773002 at patchset 1 (http://crrev.com/951773002#ps1).
Rerecord & upload the wpr file to cloud storage.

To reviewers: to make sure that this doesn't produce the same problem in
https://codereview.chromium.org/952963002/, please wait for
https://codereview.chromium.org/954753002/ to be landed first.

BUG=459646

Review URL: https://codereview.chromium.org/954763002

Cr-Commit-Position: refs/heads/master@{#317975}