[MD settings] i18n source stream filtering

content/browser/webui/url_data_source_impl.h

Index: content/browser/webui/url_data_source_impl.h
diff --git a/content/browser/webui/url_data_source_impl.h b/content/browser/webui/url_data_source_impl.h
index fe543e6e9963d60ed5794ef5c442dcb912024564..77c2e975d7a090fad7ab1690434e768ba111b563 100644
--- a/content/browser/webui/url_data_source_impl.h
+++ b/content/browser/webui/url_data_source_impl.h
@@ -6,11 +6,13 @@
 #define CONTENT_BROWSER_WEBUI_URL_DATA_SOURCE_IMPL_H_
 
 #include <memory>
+#include <string>
 
 #include "base/memory/ref_counted.h"
 #include "base/sequenced_task_runner_helpers.h"
 #include "content/browser/webui/url_data_manager.h"
 #include "content/common/content_export.h"
+#include "ui/base/template_expressions.h"
 
 namespace base {
 class RefCountedMemory;
@@ -65,6 +67,9 @@ class URLDataSourceImpl : public base::RefCountedThreadSafe<
 
   virtual bool IsWebUIDataSourceImpl() const;
 
+  // Replacements for i18n or null if no replacements are desired.
+  virtual const ui::TemplateReplacements* GetReplacements() const;
+
  protected:
   virtual ~URLDataSourceImpl();