The float/double versions of skstd::to_string produce better output than
the standard version, so let's keep those.
Other versions of to_string don't do anything at all now that
SkSL::String no longer exists. (Previously they existed to convert the
return type from std::string to SkSL::String.) We can just use the
std::to_string functions directly.
Change-Id: Ief513e474bd47ed97f1c13f4f64fb161f1654065
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/503832
Reviewed-by: Ethan Nicholas <ethannicholas@google.com>
Commit-Queue: John Stiles <johnstiles@google.com>
Auto-Submit: John Stiles <johnstiles@google.com>
2ad035378c