[tracing] Make TracedValue accept const char* strings

[tracing] Make TracedValue accept const char* strings

This should speed up trace generation for cpu profile as it eliminates
creation of temporary std::string objects.

Review-Url: https://codereview.chromium.org/2555043003
Cr-Commit-Position: refs/heads/master@{#41736}
Committed: https://chromium.googlesource.com/v8/v8/+/250e85f84abd24c4ddab2efc6aa0ddddab09c55d

[alph, 2016-12-07 08:08:51]

The CQ bit was checked by alph@chromium.org to run a CQ dry run

[commit-bot: I haz the power, 2016-12-07 08:08:56]

Dry run: CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[alph, 2016-12-07 08:09:21]

alph@chromium.org changed reviewers:
+ fmeawad@chromium.org, yangguo@chromium.org

[commit-bot: I haz the power, 2016-12-07 08:13:26]

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

[commit-bot: I haz the power, 2016-12-07 08:13:27]

Dry run: Try jobs failed on following builders:
  v8_linux_gcc_compile_rel on master.tryserver.v8 (JOB_FAILED,
http://build.chromium.org/p/tryserver.v8/builders/v8_linux_gcc_compile_rel/bu...)
  v8_linux_mips64el_compile_rel on master.tryserver.v8 (JOB_FAILED,
http://build.chromium.org/p/tryserver.v8/builders/v8_linux_mips64el_compile_r...)

[alph, 2016-12-07 10:25:38]

The CQ bit was checked by alph@chromium.org to run a CQ dry run

[commit-bot: I haz the power, 2016-12-07 10:25:48]

Dry run: 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, 2016-12-07 10:54:02]

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

[commit-bot: I haz the power, 2016-12-07 10:54:02]

Dry run: This issue passed the CQ dry run.

[alph, 2016-12-08 07:48:14]

The CQ bit was checked by alph@chromium.org to run a CQ dry run

[commit-bot: I haz the power, 2016-12-08 07:48:16]

Dry run: 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, 2016-12-08 08:16:44]

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

[commit-bot: I haz the power, 2016-12-08 08:16:45]

Dry run: This issue passed the CQ dry run.

[fmeawad, 2016-12-08 16:07:50]

lgtm

[Yang, 2016-12-08 16:30:00]

On 2016/12/08 16:07:50, fmeawad wrote:
> lgtm

lgtm.

[alph, 2016-12-15 17:34:55]

The CQ bit was checked by alph@chromium.org

[commit-bot: I haz the power, 2016-12-15 17:34:57]

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, 2016-12-15 18:03:47]

CQ is committing da patch.

Bot data: {"patchset_id": 40001, "attempt_start_ts": 1481823295119610,
"parent_rev": "f435d6222fa194c96c6be2e2d8a753016437931a", "commit_rev":
"250e85f84abd24c4ddab2efc6aa0ddddab09c55d"}

[commit-bot: I haz the power, 2016-12-15 18:03:52]

Description was changed from

==========
[tracing] Make TracedValue accept const char* strings

This should speed up trace generation for cpu profile as it eliminates
creation of temporary std::string objects.
==========

to

==========
[tracing] Make TracedValue accept const char* strings

This should speed up trace generation for cpu profile as it eliminates
creation of temporary std::string objects.

Review-Url: https://codereview.chromium.org/2555043003
Cr-Commit-Position: refs/heads/master@{#41736}
Committed:
https://chromium.googlesource.com/v8/v8/+/250e85f84abd24c4ddab2efc6aa0ddddab0...
==========

[commit-bot: I haz the power, 2016-12-15 18:03:53]

Committed patchset #3 (id:40001) as
https://chromium.googlesource.com/v8/v8/+/250e85f84abd24c4ddab2efc6aa0ddddab0...