When measuring text in kerning mode, we currently add the word spacing to every wordMeasurement. However, not all are actual word breaks. <rdar://problem/12945869>
Created attachment 193449 [details] Patch
Created attachment 193461 [details] Patch
The patch doesn't contain the test, only the ChangeLog for LayoutTests.
Created attachment 193602 [details] Patch
Comment on attachment 193602 [details] Patch Looks good. Thanks for fixing this!
Committed r146087: <http://trac.webkit.org/changeset/146087>