Add self as owner of chrome/browser/ui/webui/{devtools,inspect}_ui*

Change-Id: I0f8cd7d661ae8ca928dac8ff003760a501075d4c
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1951088Reviewed-by: Dmitry Gozman <dgozman@chromium.org>
Reviewed-by: Demetrios Papadopoulos <dpapad@chromium.org>
Commit-Queue: Andrey Kosyakov <caseq@chromium.org>
Cr-Commit-Position: refs/heads/master@{#721812}

chrome/browser/ui/webui/OWNERS

@@ -5,8 +5,10 @@ per-file device_log_ui*=stevenjb@chromium.org
 
 per-file devtools_ui*=dgozman@chromium.org
 per-file devtools_ui*=pfeldman@chromium.org
+per-file devtools_ui*=caseq@chromium.org
 per-file inspect_ui*=dgozman@chromium.org
 per-file inspect_ui*=pfeldman@chromium.org
+per-file inspect_ui*=caseq@chromium.org
 
 per-file history_ui*=calamity@chromium.org