chromium: Fix Wayland screen sharing

Fix #167526.

pkgs/applications/networking/browsers/chromium/common.nix

@@ -61,6 +61,13 @@ let
     url = "https://chromium.googlesource.com/chromium/tools/build/+/e77882e0dde52c2ccf33c5570929b75b4a2a2522/recipes/recipe_modules/chromium/resources/clang-format?format=TEXT";
     sha256 = "0ic3hn65dimgfhakli1cyf9j3cxcqsf1qib706ihfhmlzxf7256l";
   };
+  # https://webrtc-review.googlesource.com/c/src/+/255601
+  webrtcWaylandScreenshareCoredumpFix = fetchurl {
+    # PipeWire capturer: check existence of cursor metadata
+    name = "webrtc-wayland-screenshare-coredump-fix.patch";
+    url = "https://webrtc-review.googlesource.com/changes/src~255601/revisions/2/patch?download";
+    hash = "sha256-PHGwEoYhMa+ZL2ner10FwdGUWUxsVr+HWuZOAEugYDY=";
+  };
 
   # The additional attributes for creating derivations based on the chromium
   # source tree.
@@ -162,7 +169,9 @@ let
       ./patches/widevine-79.patch
     ];
 
-    postPatch = ''
+    postPatch = optionalString (versionRange "100" "101") ''
+      base64 --decode ${webrtcWaylandScreenshareCoredumpFix} | patch -p1 -d third_party/webrtc
+    '' + ''
       # remove unused third-party
       for lib in ${toString gnSystemLibraries}; do
         if [ -d "third_party/$lib" ]; then