GitLab

To limit regression in the total analysis time from Safe Browsing,
cutoff DMG analysis at 10 seconds. Future CLs will institute similar
timeouts for ZIP and RAR archives.

Bug: 948277
Change-Id: Iff7dabfdecc1791d5a83e36dc34a8c57ed99fd9e
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1594166Reviewed-by: Nathan Parker <nparker@chromium.org>
Commit-Queue: Daniel Rubery <drubery@chromium.org>
Cr-Commit-Position: refs/heads/master@{#657415}