GitLab

When WebSocket connections pass through our frontend infrastructure their
frames can be fragmented, causing clients to see continuation frames.
Just accept these as data frames; we already handle the |final| flag so
defragmentation already works.

BUG=1002262

Change-Id: I17bea4ddc0a3cd07c558b3d1ca686b449bb9a3b6
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2463809
Commit-Queue: Adam Langley <agl@chromium.org>
Reviewed-by: Martin Kreichgauer <martinkr@google.com>
Cr-Commit-Position: refs/heads/master@{#816746}