diff -up chromium-122.0.6261.57/tools/json_to_struct/json_to_struct.py.me chromium-122.0.6261.57/tools/json_to_struct/json_to_struct.py
--- chromium-122.0.6261.57/tools/json_to_struct/json_to_struct.py.me	2024-02-23 12:04:45.451423995 +0100
+++ chromium-122.0.6261.57/tools/json_to_struct/json_to_struct.py	2024-02-23 12:18:04.099824392 +0100
@@ -124,7 +124,8 @@ def _GenerateH(basepath, fileroot, head,
     f.write(u'#include <cstddef>\n')
     f.write(u'\n')
 
-    if system_headers := schema.get(u'system-headers', []):
+    system_headers = schema.get(u'system-headers', [])
+    if system_headers:
       for header in system_headers:
         f.write(u'#include <%s>\n' % header)
       f.write(u'\n')