Avoid some code duplication in HTMLTableRowsCollection::rowAfter()

Avoid some code duplication in HTMLTableRowsCollection::rowAfter()

Avoid some code duplication in HTMLTableRowsCollection::rowAfter() by
factoring out the code for finding a table row element among children
to a new function. This code was repeated 3 times.

R=adamk, eseidel

Committed: https://src.chromium.org/viewvc/blink?view=rev&revision=167242

[Inactive, 2014-02-14 18:58:25]

Sorry, I should have done this when I updated this function yesterday but I
thought of it too late.

[eseidel, 2014-02-14 19:18:04]

lgtm

[commit-bot: I haz the power, 2014-02-14 19:19:21]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/ch.dumez@samsung.com/166093004/1

[cmp, 2014-02-15 18:37:29]

The CQ bit was unchecked by cmp@chromium.org

[cmp, 2014-02-15 18:37:31]

The CQ bit was checked by cmp@chromium.org

[cmp, 2014-02-15 18:37:33]

The CQ bit was unchecked by cmp@chromium.org

[cmp, 2014-02-15 18:38:41]

On 2014/02/15 18:37:33, cmp wrote:
> The CQ bit was unchecked by mailto:cmp@chromium.org

Noted the issue this CL was having in CQ at
https://code.google.com/p/chromium/issues/detail?id=344174.  Will recheck commit
after enough time has passed so CQ picks it up again.

[cmp, 2014-02-15 18:43:28]

The CQ bit was checked by cmp@chromium.org

[commit-bot: I haz the power, 2014-02-15 18:43:45]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/ch.dumez@samsung.com/166093004/1

[commit-bot: I haz the power, 2014-02-15 19:31:48]

Change committed as 167242