Remove uses of sk_throw.

The sk_throw macro is now an alias to SK_ABORT, but is often used when
other macros better describe the situation. This change replaces
sk_throw with SK_ABORT or SkASSERT_RELEASE as appropriate.

Change-Id: I313facc6d535c8e8bec90ceeaf17ae3a381c48f3
Reviewed-on: https://skia-review.googlesource.com/35882
Reviewed-by: Yuqian Li <liyuqian@google.com>
Commit-Queue: Ben Wagner <bungeman@google.com>
12 files changed