Roll Skia from 4722605332ef to 6f9c78ee51a6 (1 revision)

https://skia.googlesource.com/skia.git/+log/4722605332ef..6f9c78ee51a6

2022-08-08 robertphillips@google.com Remove BaseDevice class

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

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

Tbr: borenet@google.com
Change-Id: I3c4a7455b8975cc196e3c3bafb1bf52cabef6948
Reviewed-on: https://skia-review.googlesource.com/c/skiabot-test/+/566487
Commit-Queue: skia-autoroll <skia-autoroll@skia-public.iam.gserviceaccount.com>
Bot-Commit: skia-autoroll <skia-autoroll@skia-public.iam.gserviceaccount.com>
diff --git a/DEPS b/DEPS
index d084f04..8aeaa49 100644
--- a/DEPS
+++ b/DEPS
@@ -3,7 +3,7 @@
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling Skia
   # and whatever else without interference from each other.
-  'skia_revision': '4722605332ef875c451d29199782ad9676b6eb5e',
+  'skia_revision': '6f9c78ee51a629e590d774b59117fe7b8115e362',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling Skia
   # and whatever else without interference from each other.