Remove unused functions get_preferred_size

Bug: skia:
Change-Id: I6a5b5d96ad48b84b07d2e56fbabb870a90c62a97
Reviewed-on: https://skia-review.googlesource.com/51460
Reviewed-by: Yuqian Li <liyuqian@google.com>
Reviewed-by: Florin Malita <fmalita@chromium.org>
Reviewed-by: Mike Reed <reed@google.com>
Commit-Queue: Yuqian Li <liyuqian@google.com>
2 files changed