Fixes the spacing between the buttons on the Sync Confirmation Screen (MacOS and Linux)

When the flex-direction is reversed the margins should also be updated.

BUG=595349
Committed: https://crrev.com/4d18842b4c0fb273bab0ed27431e55c9c771bb2b
Cr-Commit-Position: refs/heads/master@{#390473}

[Moe, 2016-04-28 19:45:50]

Description was changed from

==========
Fixes the spacing between the buttons on MacOS and Linux.

Signed-off-by: mahmadi <mahmadi@chromium.org>

BUG=595349
==========

to

==========
When the flex-direction is reversed the margins should also be updated.

BUG=595349
==========

[Moe, 2016-04-28 19:45:50]

mahmadi@chromium.org changed reviewers:
+ michaelpg@chromium.org

[Moe, 2016-04-28 19:46:27]

Hi Michael, Please review this patch.

[michaelpg, 2016-04-28 19:47:46]

lgtm

[Moe, 2016-04-28 20:47:42]

The CQ bit was checked by mahmadi@chromium.org

[commit-bot: I haz the power, 2016-04-28 20:48:24]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1930103002/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1930103002/1

[commit-bot: I haz the power, 2016-04-28 20:54:03]

Description was changed from

==========
When the flex-direction is reversed the margins should also be updated.

BUG=595349
==========

to

==========
When the flex-direction is reversed the margins should also be updated.

BUG=595349
==========

[commit-bot: I haz the power, 2016-04-28 20:54:04]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-04-30 17:20:57]

Patchset 1 (id:??) landed as
https://crrev.com/4d18842b4c0fb273bab0ed27431e55c9c771bb2b
Cr-Commit-Position: refs/heads/master@{#390473}

[commit-bot: I haz the power, 2016-04-30 17:57:23]

Description was changed from

==========
When the flex-direction is reversed the margins should also be updated.

BUG=595349
==========

to

==========
When the flex-direction is reversed the margins should also be updated.

BUG=595349

Committed: https://crrev.com/4d18842b4c0fb273bab0ed27431e55c9c771bb2b
Cr-Commit-Position: refs/heads/master@{#390473}
==========