Remove --harmony-tostring runtime flag

Remove --harmony-tostring runtime flag

ES2015 Object.prototype.toString semantics were enabled in version 4.9,
which has been in stable Chrome for nearly two weeks at this point.

R=littledan@chromium.org

Committed: https://crrev.com/b16fc86389c3cafa76a53744d1bacd756ec528cb
Cr-Commit-Position: refs/heads/master@{#34732}

[Dan Ehrenberg, 2016-03-11 01:30:40]

lgtm

[adamk, 2016-03-11 01:40:02]

The CQ bit was checked by adamk@chromium.org

[commit-bot: I haz the power, 2016-03-11 01:40:10]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1784033002/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1784033002/1

[commit-bot: I haz the power, 2016-03-11 02:19:04]

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

[commit-bot: I haz the power, 2016-03-11 02:19:05]

Try jobs failed on following builders:
  v8_win64_rel_ng on tryserver.v8 (JOB_FAILED,
http://build.chromium.org/p/tryserver.v8/builders/v8_win64_rel_ng/builds/4310)
  v8_win64_rel_ng_triggered on tryserver.v8 (JOB_FAILED,
http://build.chromium.org/p/tryserver.v8/builders/v8_win64_rel_ng_triggered/b...)

[adamk, 2016-03-11 17:56:52]

The CQ bit was checked by adamk@chromium.org

[commit-bot: I haz the power, 2016-03-11 17:57:02]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1784033002/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1784033002/1

[commit-bot: I haz the power, 2016-03-11 18:19:10]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-03-11 18:20:57]

Description was changed from

==========
Remove --harmony-tostring runtime flag

ES2015 Object.prototype.toString semantics were enabled in version 4.9,
which has been in stable Chrome for nearly two weeks at this point.

R=littledan@chromium.org
==========

to

==========
Remove --harmony-tostring runtime flag

ES2015 Object.prototype.toString semantics were enabled in version 4.9,
which has been in stable Chrome for nearly two weeks at this point.

R=littledan@chromium.org

Committed: https://crrev.com/b16fc86389c3cafa76a53744d1bacd756ec528cb
Cr-Commit-Position: refs/heads/master@{#34732}
==========

[commit-bot: I haz the power, 2016-03-11 18:20:58]

Patchset 1 (id:??) landed as
https://crrev.com/b16fc86389c3cafa76a53744d1bacd756ec528cb
Cr-Commit-Position: refs/heads/master@{#34732}