[MD settings] i18n source stream filtering

content/browser/webui/web_ui_data_source_impl.h

Index: content/browser/webui/web_ui_data_source_impl.h
diff --git a/content/browser/webui/web_ui_data_source_impl.h b/content/browser/webui/web_ui_data_source_impl.h
index 4aad1e40e0955ea85fc1e8345b79a401dec7bc49..1722c28c0a832536a926be662bb96563641f367a 100644
--- a/content/browser/webui/web_ui_data_source_impl.h
+++ b/content/browser/webui/web_ui_data_source_impl.h
@@ -50,6 +50,9 @@ class CONTENT_EXPORT WebUIDataSourceImpl
   void OverrideContentSecurityPolicyChildSrc(const std::string& data) override;
   void DisableDenyXFrameOptions() override;
   void DisableI18nAndUseGzipForAllPaths() override;
+  const ui::TemplateReplacements* GetReplacements() const override;
+
+  void FinalizeReplacements();
 
   // When DisableI18nAndUseGzipForAllPaths is enabled, exclude the given |path|.
   void ExcludePathFromGzip(const std::string& path);