DevTools: In l10n presubmit, apply ignore list to modified files

Change-Id: I31caa742e32727fcdd3c992fca0f815fefbf9740
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1818609
Auto-Submit: Paul Irish <paulirish@chromium.org>
Reviewed-by: Mandy Chen <mandy.chen@microsoft.com>
Reviewed-by: Yang Guo <yangguo@chromium.org>
Commit-Queue: Yang Guo <yangguo@chromium.org>
Cr-Original-Commit-Position: refs/heads/master@{#699714}
Cr-Mirrored-From: https://chromium.googlesource.com/chromium/src
Cr-Mirrored-Commit: ea03feb17d2dac76b800aa9dd586a1812527bc2c
diff --git a/scripts/localization_utils/localization_utils.js b/scripts/localization_utils/localization_utils.js
index ee1a0a6..faf1d24 100644
--- a/scripts/localization_utils/localization_utils.js
+++ b/scripts/localization_utils/localization_utils.js
@@ -23,8 +23,8 @@
   TEMP_LITERAL: 'TemplateLiteral'
 };
 
-const excludeFiles = ['lighthouse-dt-bundle.js', 'Tests.js'];
-const excludeDirs = ['test_runner', 'Images', 'langpacks', 'node_modules'];
+const excludeFiles = ['Tests.js'];
+const excludeDirs = ['test_runner', 'Images', 'langpacks', 'node_modules', 'lighthouse'];
 const cppSpecialCharactersMap = {
   '"': '\\"',
   '\\': '\\\\',
@@ -333,5 +333,6 @@
   SHARED_STRINGS_PATH,
   sanitizeStringIntoCppFormat,
   sanitizeStringIntoFrontendFormat,
+  shouldParseDirectory,
   verifyFunctionCallee
 };
\ No newline at end of file