Add "Prefer Sequences to Threads" section to Threading and Tasks docs

Add "Prefer Sequences to Threads" section to Threading and Tasks docs

BUG=https://groups.google.com/a/chromium.org/d/msg/chromium-dev/7s0mbF-giaE/vr0f9ZGGCQAJ
TBR=robliao@chromium.org, fdoray@chromium.org
NOTRY=true

Review-Url: https://codereview.chromium.org/2928813002
Cr-Commit-Position: refs/heads/master@{#477798}
Committed: https://chromium.googlesource.com/chromium/src/+/2a457605a57d66fa5dc2539331047736d56e5536

[gab, 2017-06-07 20:31:14]

The CQ bit was checked by gab@chromium.org

[commit-bot: I haz the power, 2017-06-07 20:32:27]

CQ is trying da patch.

Follow status at:
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[commit-bot: I haz the power, 2017-06-07 21:14:23]

The CQ bit was unchecked by commit-bot@chromium.org

[commit-bot: I haz the power, 2017-06-07 21:14:24]

Try jobs failed on following builders:
  win_chromium_compile_dbg_ng on master.tryserver.chromium.win (JOB_FAILED,
http://build.chromium.org/p/tryserver.chromium.win/builders/win_chromium_comp...)

[gab, 2017-06-07 21:16:04]

Description was changed from

==========
Add "Prefer Sequences to Threads" section to Threading and Tasks docs

BUG=https://groups.google.com/a/chromium.org/d/msg/chromium-dev/7s0mbF-giaE/vr0f9ZGGCQAJ
TBR=robliao@chromium.org, fdoray@chromium.org
==========

to

==========
Add "Prefer Sequences to Threads" section to Threading and Tasks docs

BUG=https://groups.google.com/a/chromium.org/d/msg/chromium-dev/7s0mbF-giaE/vr0f9ZGGCQAJ
TBR=robliao@chromium.org, fdoray@chromium.org
NOTRY=true
==========

[gab, 2017-06-07 21:16:07]

The CQ bit was checked by gab@chromium.org

[commit-bot: I haz the power, 2017-06-07 21:18:41]

CQ is trying da patch.

Follow status at:
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[commit-bot: I haz the power, 2017-06-07 23:36:14]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1496870167637380, "parent_rev":
"ac8236daee403b0bec4f9f2f560edd5a22a2bbe1", "commit_rev":
"2a457605a57d66fa5dc2539331047736d56e5536"}

[commit-bot: I haz the power, 2017-06-07 23:36:25]

Description was changed from

==========
Add "Prefer Sequences to Threads" section to Threading and Tasks docs

BUG=https://groups.google.com/a/chromium.org/d/msg/chromium-dev/7s0mbF-giaE/vr0f9ZGGCQAJ
TBR=robliao@chromium.org, fdoray@chromium.org
NOTRY=true
==========

to

==========
Add "Prefer Sequences to Threads" section to Threading and Tasks docs

BUG=https://groups.google.com/a/chromium.org/d/msg/chromium-dev/7s0mbF-giaE/vr0f9ZGGCQAJ
TBR=robliao@chromium.org, fdoray@chromium.org
NOTRY=true

Review-Url: https://codereview.chromium.org/2928813002
Cr-Commit-Position: refs/heads/master@{#477798}
Committed:
https://chromium.googlesource.com/chromium/src/+/2a457605a57d66fa5dc253933104...
==========

[commit-bot: I haz the power, 2017-06-07 23:36:26]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/chromium/src/+/2a457605a57d66fa5dc253933104...

[fdoray, 2017-06-08 17:03:07]

lgtm