GitLab

Jank reporter now uses |vsync_interval| to determine the frame length
increment threshold, instead of directly using the frame interval
reported by the presentation feedback; the latter could be zero and
cause erroneous jank reporting.

Bug: 1154492
Change-Id: I616a77d85bf91436ebc0b6982a278c5763225993
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2569794
Commit-Queue: Mingjing Zhang <mjzhang@chromium.org>
Reviewed-by: Jonathan Ross <jonross@chromium.org>
Reviewed-by: Sadrul Chowdhury <sadrul@chromium.org>
Cr-Commit-Position: refs/heads/master@{#841095}