[paragraph] Minor cleanup
ParagraphBuilder ignores its parameters so remove them and make the
constructor protected.
Assert that the font collection passed is not nullptr. If it is,
unexpected crashes may happen much later.
Move parameters where needed.
Change-Id: I5e7889570be4d886fcd7dff1520f3830d66494b5
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/752618
Auto-Submit: Ben Wagner <bungeman@google.com>
Reviewed-by: Julia Lavrova <jlavrova@google.com>
Commit-Queue: Julia Lavrova <jlavrova@google.com>
3 files changed