Add kron@webrtc.org to modules/desktop_capture/OWNERS and
modules/portal/OWNERS.

Bug: webrtc:483056241
Change-Id: I90d383c8e4ae181ae54a8c5002b0beffd284de3c
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/494020
Reviewed-by: Mark Foltz <mfoltz@chromium.org>
Auto-Submit: Fredrik Solenberg <solenberg@webrtc.org>
Commit-Queue: Mark Foltz <mfoltz@chromium.org>
Cr-Commit-Position: refs/heads/main@{#48359}
diff --git a/modules/desktop_capture/OWNERS b/modules/desktop_capture/OWNERS
index e3bc32e..6031e36 100644
--- a/modules/desktop_capture/OWNERS
+++ b/modules/desktop_capture/OWNERS
@@ -1,2 +1,3 @@
 alcooper@chromium.org
+kron@webrtc.org
 mfoltz@chromium.org
diff --git a/modules/portal/OWNERS b/modules/portal/OWNERS
index e3bc32e..6031e36 100644
--- a/modules/portal/OWNERS
+++ b/modules/portal/OWNERS
@@ -1,2 +1,3 @@
 alcooper@chromium.org
+kron@webrtc.org
 mfoltz@chromium.org