Hunk #2 succeeded at 557 (offset -5 lines).
Hunk #3 succeeded at 687 (offset -5 lines).
patching file third_party/libwebrtc/moz.build
Hunk #1 succeeded at 739 (offset 21 lines).
patching file dom/media/webrtc/libwebrtc_overrides/moz.build
Hunk #1 succeeded at 53 (offset -5 lines).
Hunk #2 succeeded at 66 (offset -5 lines).
-> Applying 0003-disable-BROTLI_MODEL-macro-for-some-targets.patch
patching file modules/brotli/common/platform.h
Reversed (or previously applied) patch detected! Assume -R? [n]
Apply anyway? [n]
Skipping patch.
2 out of 2 hunks ignored -- saving rejects to file modules/brotli/common/platform.h.rej
==> ERROR: A failure occurred in prepare().
Aborting...