This flag was introduced to provide a smooth transition from legacy
tracing macros to Perfetto tracing SDK. Now the transition is complete,
and the flag is unconditionally set to true on all platforms. So we can
remove the flag and the code that is disabled by it.
This CL was uploaded by git cl split.
R=mattm@chromium.org
Bug: 42050015, 336718643
Change-Id: Ife04af8d3efc9f46e0f991b6f379ec543f86e630
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/5505543
Auto-Submit: Mikhail Khokhlov <khokhlov@google.com>
Commit-Queue: Mikhail Khokhlov <khokhlov@google.com>
Reviewed-by: Matt Mueller <mattm@chromium.org>
Cr-Commit-Position: refs/heads/main@{#1295332}
8be620e9d9