Add context for tasks run by TaskGraphRunner

Add context for tasks run by TaskGraphRunner

Other task runners use TRACE_TASK_EXECUTION macro which records context
for heap profiler. TaskGraphRunner does not have posted from
information. So, record the context for the tasks as "cc".

BUG=594803
CQ_INCLUDE_TRYBOTS=master.tryserver.blink:linux_trusty_blink_rel

Review-Url: https://codereview.chromium.org/2687553004
Cr-Commit-Position: refs/heads/master@{#449428}
Committed: https://chromium.googlesource.com/chromium/src/+/e6b9ddc6d7301c74c8e82789e78081a7d4c520fb

[ssid, 2017-02-08 02:38:19]

Description was changed from

==========
Add context for tasks run by TaskGraphRunner

Other task runners use TRACE_TASK_EXECUTION macro which records context
for heap profiler. TaskGraphRunner does not have posted from
information. So, record the context for the tasks as "cc".

BUG=594803
==========

to

==========
Add context for tasks run by TaskGraphRunner

Other task runners use TRACE_TASK_EXECUTION macro which records context
for heap profiler. TaskGraphRunner does not have posted from
information. So, record the context for the tasks as "cc".

BUG=594803
CQ_INCLUDE_TRYBOTS=master.tryserver.blink:linux_trusty_blink_rel
==========

[ssid, 2017-02-08 02:39:21]

ssid@chromium.org changed reviewers:
+ skyostil@chromium.org

[ssid, 2017-02-08 02:39:22]

+Sami ptal thanks!

[Sami, 2017-02-09 18:09:28]

lgtm, sorry for the delay.

[ssid, 2017-02-09 20:45:36]

The CQ bit was checked by ssid@chromium.org

[commit-bot: I haz the power, 2017-02-09 20:46:32]

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, 2017-02-09 21:53:48]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1486673136868430, "parent_rev":
"b5af6809340d677b2121a294321cb6e32d94a0b4", "commit_rev":
"e6b9ddc6d7301c74c8e82789e78081a7d4c520fb"}

[commit-bot: I haz the power, 2017-02-09 21:54:22]

Description was changed from

==========
Add context for tasks run by TaskGraphRunner

Other task runners use TRACE_TASK_EXECUTION macro which records context
for heap profiler. TaskGraphRunner does not have posted from
information. So, record the context for the tasks as "cc".

BUG=594803
CQ_INCLUDE_TRYBOTS=master.tryserver.blink:linux_trusty_blink_rel
==========

to

==========
Add context for tasks run by TaskGraphRunner

Other task runners use TRACE_TASK_EXECUTION macro which records context
for heap profiler. TaskGraphRunner does not have posted from
information. So, record the context for the tasks as "cc".

BUG=594803
CQ_INCLUDE_TRYBOTS=master.tryserver.blink:linux_trusty_blink_rel

Review-Url: https://codereview.chromium.org/2687553004
Cr-Commit-Position: refs/heads/master@{#449428}
Committed:
https://chromium.googlesource.com/chromium/src/+/e6b9ddc6d7301c74c8e82789e780...
==========

[commit-bot: I haz the power, 2017-02-09 21:54:23]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/chromium/src/+/e6b9ddc6d7301c74c8e82789e780...