Remove --enable-speech-synthesis flag.

Remove --enable-speech-synthesis flag.

Now speech synthesis has launched. So we don't need this flag.

BUG=350456
Committed: https://src.chromium.org/viewvc/chrome?view=rev&revision=286617

[deejay, 2014-07-30 08:05:49]

PTAL

[dmazzoni, 2014-07-30 15:11:16]

lgtm

[commit-bot: I haz the power, 2014-07-30 15:12:12]

CQ is trying da patch. Follow status at
 https://chromium-status.appspot.com/cq/djmix.kim@samsung.com/419863003/1

[commit-bot: I haz the power, 2014-07-30 17:32:05]

FYI, CQ is re-trying this CL (attempt #1).
The failing builders are:
  chromium_presubmit on tryserver.chromium.linux
(http://build.chromium.org/p/tryserver.chromium.linux/builders/chromium_presub...)
  win_chromium_x64_rel on tryserver.chromium.win
(http://build.chromium.org/p/tryserver.chromium.win/builders/win_chromium_x64_...)

[commit-bot: I haz the power, 2014-07-30 17:34:50]

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

[commit-bot: I haz the power, 2014-07-30 17:34:51]

Try jobs failed on following builders:
  chromium_presubmit on tryserver.chromium.linux
(http://build.chromium.org/p/tryserver.chromium.linux/builders/chromium_presub...)

[dmazzoni, 2014-07-30 17:42:45]

+brettw for OWNERS approval

(We don't need a bunch of separate reviews, just one owner who can approve all
of these directories.)

[brettw, 2014-07-30 22:18:17]

lgtm

[dmazzoni, 2014-07-30 22:18:34]

The CQ bit was checked by dmazzoni@chromium.org

[commit-bot: I haz the power, 2014-07-30 22:20:13]

CQ is trying da patch. Follow status at
 https://chromium-status.appspot.com/cq/djmix.kim@samsung.com/419863003/1

[commit-bot: I haz the power, 2014-07-30 22:28:24]

Change committed as 286617