[Template expressions] expanding $i18n expressions on webui html

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 b084ba54ea3121db0b4cd110fbe6ab28d0176082..e14f99dc0ddddf95590b8cafb2f66e6203020752 100644
--- a/content/browser/webui/web_ui_data_source_impl.h
+++ b/content/browser/webui/web_ui_data_source_impl.h
@@ -17,6 +17,7 @@
 #include "content/common/content_export.h"
 #include "content/public/browser/url_data_source.h"
 #include "content/public/browser/web_ui_data_source.h"
+#include "ui/base/template_expressions.h"
 
 namespace content {
 
@@ -51,10 +52,6 @@ class CONTENT_EXPORT WebUIDataSourceImpl
   void SendLocalizedStringsAsJSON(
       const URLDataSource::GotDataCallback& callback);
 
-  // Completes a request by sending the file specified by |idr|.
-  void SendFromResourceBundle(
-      const URLDataSource::GotDataCallback& callback, int idr);
-
  private:
   class InternalDataSource;
   friend class InternalDataSource;
@@ -84,6 +81,10 @@ class CONTENT_EXPORT WebUIDataSourceImpl
   int default_resource_;
   std::string json_path_;
   std::map<std::string, int> path_to_idr_map_;
+  // The |replacements_| is intended to replace |localized_strings_|.
+  // TODO(dschuyler) phase out |localized_strings_| in Q1 2016. (Or rename
+  // to |load_time_flags_| if the usage is reduced to storing flags only).
+  ui::TemplateReplacements replacements_;
   base::DictionaryValue localized_strings_;
   WebUIDataSource::HandleRequestCallback filter_callback_;
   bool add_csp_;
@@ -98,6 +99,6 @@ class CONTENT_EXPORT WebUIDataSourceImpl
   DISALLOW_COPY_AND_ASSIGN(WebUIDataSourceImpl);
 };
 
-}  // content
+}  // namespace content
 
 #endif  // CONTENT_BROWSER_WEBUI_WEB_UI_DATA_SOURCE_IMPL_H_