The error log is as follows:
../../third_party/skia/include/core/SkSpinlock.h:24: error: undefined reference to 'SkPODSpinlock::contendedAcquire()'
collect2: error: ld returned 1 exit status
[mtklein added below here]
Despite the presence in include/ and the added SK_API, this file is not part of Skia's public API... it's just used by files which are.
TBR=reed@google.com
Review URL: https://codereview.chromium.org/1229003004
The proportion of time spent doing useful work is well over 99% in acquire(),
so outlining it doesn't hurt speed at all, and makes it much easier to pick out
on a profile.
It'd be about 50/50 work/overhead if we outlined the extremely-cheap release().
I also tried outlining some SkRefCnt methods with similar mixed results.
BUG=skia:
No public API changes.
TBR=reed@google.com
Review URL: https://codereview.chromium.org/1212253013
