Revert AlphaThresholdFilter to its old behavior wrt premul
authorrobertphillips <robertphillips@google.com>
Tue, 12 Apr 2016 19:39:26 +0000 (12:39 -0700)
committerCommit bot <commit-bot@chromium.org>
Tue, 12 Apr 2016 19:39:26 +0000 (12:39 -0700)
commit247e5341a483053862213f1bdda4ce5c47544b8f
treeba54ba3d9f84f2950b738d0c59483135d82a98b8
parent9fd07e5cc4d693b39397d00ae0a80f0cab420f7b
Revert AlphaThresholdFilter to its old behavior wrt premul

TBR=borenet@google.com

This fixes the "serialize-8888 gm  imagealphathreshold_surface" failure related to:
https://codereview.chromium.org/1879643003/ (Switch AlphaThresholdFilter over to new onFilterImage interface)

GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1885633003

Review URL: https://codereview.chromium.org/1885633003
src/effects/SkAlphaThresholdFilter.cpp