Seems to be a 38% layout win on a site I tested with a lot of text.
Other browser engines typically do not duplicate the information in the font style struct. `FontStyle` actually predates @SimonSapin's CSS selector matching library. It's time to get rid of it!
r? @glennw
Source-Repo: https://github.com/servo/servo
Source-Revision: 83196ddb26b5611bccfa2d709396daeff259bcd1
This implements fragment merging, in order to incrementally reflow linebroken
text. This makes the `whitespace_pre.html` reftest pass with incremental reflow
turned on with `-i`.
Source-Repo: https://github.com/servo/servo
Source-Revision: f3066c70da80306f68833814025deb589d6eeb2a
