Rename RenderBR to RenderLineBreak
https://bugs.webkit.org/show_bug.cgi?id=121560

Reviewed by Sam Weinig.

It now represents both hard (br) and soft (wbr) line breaks.



git-svn-id: http://svn.webkit.org/repository/webkit/trunk@156054 268f45cc-cd09-0410-ab3c-d52691b4dbfc
20 files changed