Roll Chromium from ec55e318ba2b to ef42d9817ebd (476 revisions)

ec55e318ba..ef42d9817e

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 wrightgeorge@google.com on the revert to ensure that a human
is aware of the problem.

To file a bug in Chromium: https://bugs.chromium.org/p/chromium/issues/entry
To file a bug in Skia: https://bugs.chromium.org/p/skia/issues/entry

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/main/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: wrightgeorge@google.com
Change-Id: I14ed5b008a6a0a661de6b3e4cea5b1a9a38c7cab
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/532223
Commit-Queue: skia-autoroll <skia-autoroll@skia-public.iam.gserviceaccount.com>
Bot-Commit: skia-autoroll <skia-autoroll@skia-public.iam.gserviceaccount.com>

DEPS

@@ -53,7 +53,7 @@ deps = {
   "third_party/externals/zlib"            : "https://chromium.googlesource.com/chromium/src/third_party/zlib@c876c8f87101c5a75f6014b0f832499afeb65b73",
 
   "../src": {
-    "url": "https://chromium.googlesource.com/chromium/src.git@ec55e318ba2b9d06640523fc4c1a2b205947f3b4",
+    "url": "https://chromium.googlesource.com/chromium/src.git@ef42d9817ebd8a253ed5b8d9d0f5dc8ce208346f",
     "condition": "checkout_chromium",
   },