The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/fd62e47f90cb35fb2ce8fa0313aa9a6b4da2dad2

commit fd62e47f90cb35fb2ce8fa0313aa9a6b4da2dad2
Author: Alexander Timin <altimin@chromium.org>
Date: Tue Apr 24 06:12:11 2018

[scheduler] Actually sample scheduler tasks in UKM

The actual call to sampling code was missing. Fix it.

R=fmeawad@chromium.org
BUG= 835921 

Change-Id: I6ecdfe078f5884d37975174c1ba696dcc7e2bbaf
Reviewed-on: https://chromium-review.googlesource.com/1024412
Commit-Queue: Alexander Timin <altimin@chromium.org>
Reviewed-by: Fadi Meawad <fmeawad@chromium.org>
Cr-Commit-Position: refs/heads/master@{#553015}
[modify] https://crrev.com/fd62e47f90cb35fb2ce8fa0313aa9a6b4da2dad2/third_party/blink/renderer/platform/scheduler/main_thread/main_thread_scheduler_impl.cc
[modify] https://crrev.com/fd62e47f90cb35fb2ce8fa0313aa9a6b4da2dad2/third_party/blink/renderer/platform/scheduler/main_thread/page_scheduler_impl.cc

We need this fix to get the data from 67 for further analysis. 

Pls add appropriate OSs label. Thank you.

This bug requires manual review: M67 has already been promoted to the beta branch, so this requires manual review
Please contact the milestone owner if you have questions.
Owners: cmasso@(Android), cmasso@(iOS), kbleicher@(ChromeOS), govind@(Desktop)

For more details visit https://www.chromium.org/issue-tracking/autotriage - Your friendly Sheriffbot

Before we approve merge to M67, please answer followings:

* Is the change well baked/verified in Canary, having enough automation tests coverage and safe to merge to M67?

Please note M67 is already in Beta, so merge bar is very high. Thank you.

Yes. The change have been in Canary for a week.

Approving merge to M67 branch 3396 based on comments #2 and #7. Pls merge ASAP. Thank you.

The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/87abfc89cb0c096196453c7a5ee08bf20d9c833b

commit 87abfc89cb0c096196453c7a5ee08bf20d9c833b
Author: Alexander Timin <altimin@chromium.org>
Date: Tue May 01 14:45:11 2018

[scheduler] Actually sample scheduler tasks in UKM

The actual call to sampling code was missing. Fix it.

R=fmeawad@chromium.org
TBR=altimin@chromium.org
BUG= 835921 

(cherry picked from commit fd62e47f90cb35fb2ce8fa0313aa9a6b4da2dad2)

Change-Id: I6ecdfe078f5884d37975174c1ba696dcc7e2bbaf
Reviewed-on: https://chromium-review.googlesource.com/1024412
Commit-Queue: Alexander Timin <altimin@chromium.org>
Reviewed-by: Fadi Meawad <fmeawad@chromium.org>
Cr-Original-Commit-Position: refs/heads/master@{#553015}
Reviewed-on: https://chromium-review.googlesource.com/1037146
Reviewed-by: Alexander Timin <altimin@chromium.org>
Cr-Commit-Position: refs/branch-heads/3396@{#406}
Cr-Branched-From: 9ef2aa869bc7bc0c089e255d698cca6e47d6b038-refs/heads/master@{#550428}
[modify] https://crrev.com/87abfc89cb0c096196453c7a5ee08bf20d9c833b/third_party/blink/renderer/platform/scheduler/main_thread/main_thread_scheduler_impl.cc
[modify] https://crrev.com/87abfc89cb0c096196453c7a5ee08bf20d9c833b/third_party/blink/renderer/platform/scheduler/main_thread/page_scheduler_impl.cc