Tracing: Moved the tracing sampling profiler to the tracing service

First step towards migrating the profiler to Perfetto.

R=ssid@chromium.org

Bug: 967008
Change-Id: If714e13b2796728766b4f010593a223dd1f24c32
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1629177
Reviewed-by: Ken Rockot <rockot@google.com>
Reviewed-by: oysteine <oysteine@chromium.org>
Reviewed-by: Thomas Anderson <thomasanderson@chromium.org>
Reviewed-by: Avi Drissman <avi@chromium.org>
Reviewed-by: ssid <ssid@chromium.org>
Commit-Queue: oysteine <oysteine@chromium.org>
Cr-Original-Commit-Position: refs/heads/master@{#667216}
Cr-Mirrored-From: https://chromium.googlesource.com/chromium/src
Cr-Mirrored-Commit: 424fd3768c76c47a24b87fc0afb1653bebbefa0a
1 file changed