[webkit-help] Differences between Font class files

[n179911]

Hi,

On Linux, which of these fonts files are being used?
FontFastPath.cpp
FontCairo.cpp
FontGtk.cpp

And when Font::floatWidthForSimpleText Font::floatWidthForComplexText
are being used?

So far, I only see Font::floatWidthForSimpleText (defined in
FontFastPath.cpp), I just wonder if other Font*.cpp (e.g.
Font::floatWidthForComplexText defined in FontGtk.cpp) will be used?

Thank you.