CSS3: add line-break tests, initially skipping on all platforms
https://bugs.webkit.org/show_bug.cgi?id=109954

Reviewed by Dirk Pranke.

See also wiki documentation at:
[1] http://trac.webkit.org/wiki/LineBreaking
[2] http://trac.webkit.org/wiki/LineBreakingCSS3Mapping

See also:
https://bugs.webkit.org/show_bug.cgi?id=89235

* TestExpectations:
* css3/line-break/line-break-auto-centered-expected.html: Added.
* css3/line-break/line-break-auto-centered.html: Added.
* css3/line-break/line-break-auto-half-kana-expected.html: Added.
* css3/line-break/line-break-auto-half-kana.html: Added.
* css3/line-break/line-break-auto-hyphens-expected.html: Added.
* css3/line-break/line-break-auto-hyphens.html: Added.
* css3/line-break/line-break-auto-inseparables-expected.html: Added.
* css3/line-break/line-break-auto-inseparables.html: Added.
* css3/line-break/line-break-auto-iteration-marks-expected.html: Added.
* css3/line-break/line-break-auto-iteration-marks.html: Added.
* css3/line-break/line-break-auto-postfixes-expected.html: Added.
* css3/line-break/line-break-auto-postfixes.html: Added.
* css3/line-break/line-break-auto-prefixes-expected.html: Added.
* css3/line-break/line-break-auto-prefixes.html: Added.
* css3/line-break/line-break-auto-sound-marks-expected.html: Added.
* css3/line-break/line-break-auto-sound-marks.html: Added.
* css3/line-break/line-break-loose-centered-expected.html: Added.
* css3/line-break/line-break-loose-centered.html: Added.
* css3/line-break/line-break-loose-half-kana-expected.html: Added.
* css3/line-break/line-break-loose-half-kana.html: Added.
* css3/line-break/line-break-loose-hyphens-expected.html: Added.
* css3/line-break/line-break-loose-hyphens.html: Added.
* css3/line-break/line-break-loose-inseparables-expected.html: Added.
* css3/line-break/line-break-loose-inseparables.html: Added.
* css3/line-break/line-break-loose-iteration-marks-expected.html: Added.
* css3/line-break/line-break-loose-iteration-marks.html: Added.
* css3/line-break/line-break-loose-postfixes-expected.html: Added.
* css3/line-break/line-break-loose-postfixes.html: Added.
* css3/line-break/line-break-loose-prefixes-expected.html: Added.
* css3/line-break/line-break-loose-prefixes.html: Added.
* css3/line-break/line-break-loose-sound-marks-expected.html: Added.
* css3/line-break/line-break-loose-sound-marks.html: Added.
* css3/line-break/line-break-normal-centered-expected.html: Added.
* css3/line-break/line-break-normal-centered.html: Added.
* css3/line-break/line-break-normal-half-kana-expected.html: Added.
* css3/line-break/line-break-normal-half-kana.html: Added.
* css3/line-break/line-break-normal-hyphens-expected.html: Added.
* css3/line-break/line-break-normal-hyphens.html: Added.
* css3/line-break/line-break-normal-inseparables-expected.html: Added.
* css3/line-break/line-break-normal-inseparables.html: Added.
* css3/line-break/line-break-normal-iteration-marks-expected.html: Added.
* css3/line-break/line-break-normal-iteration-marks.html: Added.
* css3/line-break/line-break-normal-postfixes-expected.html: Added.
* css3/line-break/line-break-normal-postfixes.html: Added.
* css3/line-break/line-break-normal-prefixes-expected.html: Added.
* css3/line-break/line-break-normal-prefixes.html: Added.
* css3/line-break/line-break-normal-sound-marks-expected.html: Added.
* css3/line-break/line-break-normal-sound-marks.html: Added.
* css3/line-break/line-break-strict-centered-expected.html: Added.
* css3/line-break/line-break-strict-centered.html: Added.
* css3/line-break/line-break-strict-half-kana-expected.html: Added.
* css3/line-break/line-break-strict-half-kana.html: Added.
* css3/line-break/line-break-strict-hyphens-expected.html: Added.
* css3/line-break/line-break-strict-hyphens.html: Added.
* css3/line-break/line-break-strict-inseparables-expected.html: Added.
* css3/line-break/line-break-strict-inseparables.html: Added.
* css3/line-break/line-break-strict-iteration-marks-expected.html: Added.
* css3/line-break/line-break-strict-iteration-marks.html: Added.
* css3/line-break/line-break-strict-postfixes-expected.html: Added.
* css3/line-break/line-break-strict-postfixes.html: Added.
* css3/line-break/line-break-strict-prefixes-expected.html: Added.
* css3/line-break/line-break-strict-prefixes.html: Added.
* css3/line-break/line-break-strict-sound-marks-expected.html: Added.
* css3/line-break/line-break-strict-sound-marks.html: Added.


git-svn-id: http://svn.webkit.org/repository/webkit/trunk@143378 268f45cc-cd09-0410-ab3c-d52691b4dbfc