chromium: Extend update.py to automatically update gn

The gn version depends on the channel and new gn versions aren't always
backward compatible. Therefore we should also include it in
upstream-info.json (I've scoped it under "deps" as we'll likely have to
add more like this in the future).

1 files changed, 6 insertions, 1 deletions

diff --git a/pkgs/applications/networking/browsers/chromium/common.nix b/pkgs/applications/networking/browsers/chromium/common.nix
index 60aca90a95e..76f53dcecc8 100644
--- a/pkgs/applications/networking/browsers/chromium/common.nix
+++ b/pkgs/applications/networking/browsers/chromium/common.nix
@@ -316,7 +316,12 @@ let
       patchelf --set-rpath "${libGL}/lib:$origRpath" "$chromiumBinary"
     '';
 
-    passthru.updateScript = ./update.py;
+    passthru = {
+      updateScript = ./update.py;
+      chromiumDeps = {
+        gn = gnChromium;
+      };
+    };
   };
 
 # Remove some extraAttrs we supplied to the base attributes already.