--- /dev/null	2019-11-08 19:13:15.064842038 +0100
+++ chromium-79.0.3945.29/build/linux/unbundle/dav1d.gn	2019-11-10 09:46:40.718855874 +0100
@@ -0,0 +1,30 @@
+# Copyright 2016 The Chromium Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+import("//build/buildflag_header.gni")
+import("//build/config/linux/pkg_config.gni")
+import("//build/shim_headers.gni")
+
+pkg_config("system_dav1d") {
+  packages = [ "dav1d" ]
+}
+
+shim_headers("dav1d_shim") {
+  root_path = "libdav1d/include"
+  headers = [
+    "dav1d/common.h",
+    "dav1d/data.h",
+    "dav1d/dav1d.h",
+    "dav1d/headers.h",
+    "dav1d/picture.h",
+    "dav1d/version.h",
+  ]
+}
+
+source_set("dav1d") {
+  deps = [
+    ":dav1d_shim",
+  ]
+  public_configs = [ ":system_dav1d" ]
+}
--- chromium-79.0.3945.29/build/linux/unbundle/replace_gn_files.py.system-dav1d	2019-11-09 14:30:17.297016975 +0100
+++ chromium-79.0.3945.29/build/linux/unbundle/replace_gn_files.py	2019-11-10 09:40:19.694662891 +0100
@@ -17,6 +17,7 @@ import sys
 
 
 REPLACEMENTS = {
+  'dav1d' : 'third_party/dav1d/BUILD.gn',
   'ffmpeg': 'third_party/ffmpeg/BUILD.gn',
   'flac': 'third_party/flac/BUILD.gn',
   'fontconfig': 'third_party/fontconfig/BUILD.gn',