Roll Chromium from 4bdce889ea35 to 502ec4ce30b3 (465 revisions)

https://chromium.googlesource.com/chromium/src.git/+log/4bdce889ea35..502ec4ce30b3

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 egdaniel@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: egdaniel@google.com
Change-Id: I9cd4b877eb1b5ba95c4c0e5a5e8d70b0176bedc4
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/329136
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/DEPS b/DEPS
index 7b6d5bb..fd753cb 100644
--- a/DEPS
+++ b/DEPS
@@ -46,7 +46,7 @@
   "third_party/externals/zlib"            : "https://chromium.googlesource.com/chromium/src/third_party/zlib@eaf99a4e2009b0e5759e6070ad1760ac1dd75461",
 
   "../src": {
-    "url": "https://chromium.googlesource.com/chromium/src.git@4bdce889ea3596b1cf6c336cd8d17405c2822ad3",
+    "url": "https://chromium.googlesource.com/chromium/src.git@502ec4ce30b3456761b7d6409520c337bf7c80e4",
     "condition": "checkout_chromium",
   },
 }