Update COMPONENT for core/frame

Updates COMPONENT for core/frame since Blink>Internals is getting deprecated.

https: //docs.google.com/document/d/14CcSzzy_Q0_mg-E9WZKESobpoR66JoWlaJhHzQZKSFA/preview
Bug: None
Change-Id: I095b4d349802e15821f9825701e8b37a7b453db5
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2417772Reviewed-by: Kentaro Hara <haraken@chromium.org>
Reviewed-by: Daniel Cheng <dcheng@chromium.org>
Commit-Queue: Keishi Hattori <keishi@chromium.org>
Cr-Commit-Position: refs/heads/master@{#808286}

third_party/blink/renderer/core/frame/OWNERS

@@ -6,4 +6,4 @@ per-file *_type_converter*.*=set noparent
 per-file *_type_converter*.*=file://ipc/SECURITY_OWNERS
 
 # TEAM: platform-architecture-dev@chromium.org
-# COMPONENT: Blink>Internals
+# COMPONENT: Blink>Internals>Frames