diff --git a/PRESUBMIT.py b/PRESUBMIT.py
index 49a36659..7f4af43 100644
--- a/PRESUBMIT.py
+++ b/PRESUBMIT.py
@@ -157,7 +157,8 @@
       ),
       True,
       (
-        r"^content[\\\/]shell[\\\/]shell_browser_main\.cc$",
+        r"^content[\\\/]shell[\\\/]browser[\\\/]shell_browser_main\.cc$",
+        r"^content[\\\/]shell[\\\/]browser[\\\/]shell_message_filter\.cc$",
         r"^net[\\\/]disk_cache[\\\/]cache_util\.cc$",
       ),
     ),