[skshaper] Split off SkUnicode specific code
Move SkShaper::MakeSkUnicodeBidiRunIterator into its own file.
SkShaper::MakeIcuBiDiRunIterator is retained as it is being used.
However, it should be removed, renamed, or re-written and placed in its
own target which directly depends on ICU.
Change-Id: I7ce52c72ef947be60a7eee4124171aabef3fdd5a
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/757498
Reviewed-by: Brian Osman <brianosman@google.com>
Commit-Queue: Ben Wagner <bungeman@google.com>
2 files changed