Also add license headers for .gni files

[email protected]

Bug: 1213449
Change-Id: I3228629bbaa1c3824a721a93782356ec71855513
Reviewed-on: https://chromium-review.googlesource.com/c/devtools/devtools-frontend/+/2919951
Commit-Queue: Tim van der Lippe <[email protected]>
Reviewed-by: Jack Franklin <[email protected]>
diff --git a/PRESUBMIT.py b/PRESUBMIT.py
index c7c05c9..fb77174 100644
--- a/PRESUBMIT.py
+++ b/PRESUBMIT.py
@@ -342,10 +342,12 @@
                                             'test')
     scripts_directory = input_api.os_path.join(input_api.PresubmitLocalPath(),
                                                'scripts')
+    config_directory = input_api.os_path.join(input_api.PresubmitLocalPath(),
+                                              'config')
 
     default_linted_directories = [
         front_end_directory, test_directory, scripts_directory,
-        inspector_overlay_directory
+        inspector_overlay_directory, config_directory
     ]
 
     check_related_files = [lint_path]
@@ -355,7 +357,7 @@
 
     should_bail_out, files_to_lint = _getFilesToLint(
         input_api, output_api, lint_config_files, default_linted_directories,
-        ['BUILD.gn'], results)
+        ['BUILD.gn', '.gni'], results)
     if should_bail_out:
         return results