Update COMPONENT for platform/weborigins

Updates COMPONENT for platform/weborigins since Blink>Internals is getting deprecated.
https://docs.google.com/document/d/1aIyRShgMPy1TmuaMK-hI7j6bewbjqc4Nyxp0N0PTvGE/edit

Bug: None
Change-Id: I76c76601539153cbf086531762b70983399064df
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2417777Reviewed-by: Tom Sepez <tsepez@chromium.org>
Commit-Queue: Keishi Hattori <keishi@chromium.org>
Cr-Commit-Position: refs/heads/master@{#809615}

third_party/blink/renderer/platform/weborigin/OWNERS

@@ -3,4 +3,4 @@ tsepez@chromium.org
 per-file origin_access_entry.*=toyoshim@chromium.org
 
 # TEAM: platform-architecture-dev@chromium.org
-# COMPONENT: Blink>Internals
+# COMPONENT: Blink>SecurityFeature