Roll skia/third_party/skcms cd31cb38833c..ec78f685becd (1 commits)

https://skia.googlesource.com/skcms.git/+log/cd31cb38833c..ec78f685becd

git log cd31cb38833c..ec78f685becd --date=short --first-parent --format='%ad %ae %s'
2019-12-13 brianosman@google.com Direct fit of small tables can produce "kBad" transfer functions

Created with:
  gclient setdep -r skia/third_party/skcms@ec78f685becd

If this roll has caused a breakage, revert this CL and stop the roller
using the controls here:
https://autoroll.skia.org/r/skcms-skia-autoroll
Please CC djsollen@google.com,mtklein@google.com on the revert to ensure that a human
is aware of the problem.

To report a problem with the AutoRoller itself, please file a bug:
https://bugs.chromium.org/p/skia/issues/entry?template=Autoroller+Bug

Documentation for the AutoRoller is here:
https://skia.googlesource.com/buildbot/+/master/autoroll/README.md

TBR=djsollen@google.com, mtklein@google.com

Cq-Include-Trybots: luci.chromium.try:linux-blink-rel
Bug: None
Change-Id: If37d38274c0d05ef6bcfc26be2a8393bd8b30957
Tbr: djsollen@google.com,mtklein@google.com
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/259969
Reviewed-by: skia-autoroll <skia-autoroll@skia-public.iam.gserviceaccount.com>
Commit-Queue: skia-autoroll <skia-autoroll@skia-public.iam.gserviceaccount.com>
diff --git a/third_party/skcms/skcms.cc b/third_party/skcms/skcms.cc
index 3de90d0..8ae3329 100644
--- a/third_party/skcms/skcms.cc
+++ b/third_party/skcms/skcms.cc
@@ -1929,9 +1929,8 @@
         // We'd better have a sane, sRGB-ish TF by now.
         // Other non-Bad TFs would be fine, but we know we've only ever tried to fit sRGBish;
         // anything else is just some accident of math and the way we pun tf.g as a type flag.
-        // fit_nonlinear() should guarantee this.
+        // fit_nonlinear() should guarantee this, but the special cases may fail this test.
         if (sRGBish != classify(tf)) {
-            assert(false);
             continue;
         }
 
diff --git a/third_party/skcms/version.sha1 b/third_party/skcms/version.sha1
index 6ed1546..62fc247 100755
--- a/third_party/skcms/version.sha1
+++ b/third_party/skcms/version.sha1
@@ -1 +1 @@
-cd31cb38833cfd31e271f592b77d5dfeece3799d
\ No newline at end of file
+ec78f685becda099b59d4719bd0ba786bd83015a
\ No newline at end of file