https://bugs.webkit.org/show_bug.cgi?id=124200

Reviewed by Andreas Kling.

Source/WebCore: 

Test: fast/text/line-runs-simple-lines.html

* rendering/SimpleLineLayout.cpp:
(WebCore::SimpleLineLayout::adjustRunOffsets):
        
    Don't round on run construction time.

(WebCore::SimpleLineLayout::createTextRuns):
* rendering/SimpleLineLayoutResolver.h:
(WebCore::SimpleLineLayout::RunResolver::Run::rect):
        
    Instead round when generating rects.

(WebCore::SimpleLineLayout::RunResolver::Run::baseline):
        
    Provide the baseline (used by painting) as unrounded FloatPoint.

LayoutTests: 

* fast/text/line-runs-rounding-simple-lines-expected.html: Added.
* fast/text/line-runs-rounding-simple-lines.html: Added.



git-svn-id: http://svn.webkit.org/repository/webkit/trunk@159105 268f45cc-cd09-0410-ab3c-d52691b4dbfc