Roll Chromium from 79b4d6eb39c8 to b39fabb9a3ae (542 revisions)

https://chromium.googlesource.com/chromium/src.git/+log/79b4d6eb39c8..b39fabb9a3ae

If this roll has caused a breakage, revert this CL and stop the roller
using the controls here:
https://autoroll.skia.org/r/chromium-skia-autoroll
Please CC nifong@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/+doc/master/autoroll/README.md

Cq-Include-Trybots: skia/skia.primary:Perf-Mac10.13-Clang-MacBookPro11.5-GPU-RadeonHD8870M-x86_64-Release-All-CommandBuffer;skia/skia.primary:Test-Mac10.13-Clang-MacBookPro11.5-GPU-RadeonHD8870M-x86_64-Debug-All-CommandBuffer
Tbr: nifong@google.com
Change-Id: Ie60516fd0601361bc075768457f8e3fbe018c3ed
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/302173
Reviewed-by: skia-autoroll <skia-autoroll@skia-public.iam.gserviceaccount.com>
Commit-Queue: skia-autoroll <skia-autoroll@skia-public.iam.gserviceaccount.com>

DEPS

@@ -43,7 +43,7 @@ deps = {
   "third_party/externals/zlib"            : "https://chromium.googlesource.com/chromium/src/third_party/zlib@eaf99a4e2009b0e5759e6070ad1760ac1dd75461",
 
   "../src": {
-    "url": "https://chromium.googlesource.com/chromium/src.git@79b4d6eb39c835db29492de0249a9f3bb12bbff5",
+    "url": "https://chromium.googlesource.com/chromium/src.git@b39fabb9a3ae98df8629ed434962dc1e2d04af62",
     "condition": "checkout_chromium",
   },
 }