This is a trivial change which makes no practical difference except for
removing the green squiggle from Visual Studio and allow it to
understand that this is actually a real implementation of the
declaration.
Change-Id: I7b8542e801ee1cfd8a1698d5bf4adc092640dae1
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/290828
Reviewed-by: Ben Wagner <bungeman@google.com>
Commit-Queue: Ben Wagner <bungeman@google.com>
dde503476e