Make unpremul_float more discoverable.

Splitting its name in half makes it difficult to find when searching the
codebase, for almost no benefit.

Change-Id: I6f1558558bfc6801c19a12116324c35f42111442
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/359136
Auto-Submit: John Stiles <johnstiles@google.com>
Commit-Queue: Ethan Nicholas <ethannicholas@google.com>
Reviewed-by: Ethan Nicholas <ethannicholas@google.com>
1 file changed