Turning it off broke both the trace viewer and using the devtools
to connect to an earlier version of Chrome running on another device.

BUG=chromium:552100, chromium:569417, chromium:569647
TBR=rossberg@chromium.org
LOG=y

Review URL: https://codereview.chromium.org/1521993004 .

Cr-Commit-Position: refs/heads/master@{#32850}