Fix speech-synthesis-speak-multiple.html flakiness.

Fix speech-synthesis-speak-multiple.html flakiness.

Follow up on r420711 (crbug.com/589632) and adjust the expected lower
bound on ".elapsedTime" to also include zero for 'start' events.

TBR=dmazzoni
BUG=660448
Committed: https://crrev.com/4431896b154b5c4a4604f8812fc39b0399be9830
Cr-Commit-Position: refs/heads/master@{#434931}

[sof, 2016-11-29 07:51:04]

please take a look.

[sof, 2016-11-29 07:51:08]

The CQ bit was checked by sigbjornf@opera.com

[commit-bot: I haz the power, 2016-11-29 07:51:23]

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, 2016-11-29 08:48:29]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1480405868190990, "parent_rev":
"f95371a7c75081cf1724aaffea9713d927cd0cee", "commit_rev":
"342268c42d455f3283b8fb1ac515e976eaa3717e"}

[commit-bot: I haz the power, 2016-11-29 08:48:53]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-11-29 09:34:33]

Description was changed from

==========
Fix speech-synthesis-speak-multiple.html flakiness.

Follow up on r420711 (crbug.com/589632) and adjust the expected lower
bound on ".elapsedTime" to also include zero for 'start' events.

TBR=dmazzoni
BUG=660448
==========

to

==========
Fix speech-synthesis-speak-multiple.html flakiness.

Follow up on r420711 (crbug.com/589632) and adjust the expected lower
bound on ".elapsedTime" to also include zero for 'start' events.

TBR=dmazzoni
BUG=660448

Committed: https://crrev.com/4431896b154b5c4a4604f8812fc39b0399be9830
Cr-Commit-Position: refs/heads/master@{#434931}
==========

[commit-bot: I haz the power, 2016-11-29 09:34:34]

Patchset 1 (id:??) landed as
https://crrev.com/4431896b154b5c4a4604f8812fc39b0399be9830
Cr-Commit-Position: refs/heads/master@{#434931}

[dmazzoni, 2016-11-29 16:12:23]

lgtm