All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=902072

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=f134806e3c7bf52903d1cac4a0888d02714fb9e8203d754ab663b7ccc2ef09c0


Bot(s) for this bug's original alert(s):

mac-10_13_laptop_high_end-perf

media.desktop - Benchmark documentation link:
  None

📍 Pinpoint job started.
https://pinpoint-dot-chromeperf.appspot.com/job/154d1d91e40000

📍 Found a significant difference after 1 commit.
https://pinpoint-dot-chromeperf.appspot.com/job/154d1d91e40000

Perfetto: Fix for worker threads not finalizing proto packets by oysteine@google.com
https://chromium.googlesource.com/chromium/src/+/d420ce980291dbdee3d8a68594afbbfe5b75fbb4
cpu_time_percentage: 0.4076 → 0.4377 (+0.03008)

Understanding performance regressions:
  http://g.co/ChromePerformanceRegressions

Benchmark documentation link:
  None

 Issue 902071  has been merged into this issue.

 Issue 902069  has been merged into this issue.

 Issue 902066  has been merged into this issue.

 Issue 901455  has been merged into this issue.

Intended change; mainly graphs returning to pre-Perfetto levels due a fix for losing some events from worker threads.