[Template expressions] expanding $i18n expressions on webui html

content/browser/webui/web_ui_data_source_impl.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CONTENT_BROWSER_WEBUI_WEB_UI_DATA_SOURCE_IMPL_H_
 #define CONTENT_BROWSER_WEBUI_WEB_UI_DATA_SOURCE_IMPL_H_
 
 #include <map>
 #include <string>
 
 #include "base/callback.h"
 #include "base/compiler_specific.h"
 #include "base/macros.h"
 #include "base/values.h"
 #include "content/browser/webui/url_data_manager.h"
 #include "content/browser/webui/url_data_source_impl.h"
 #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 {
 
 // A data source that can help with implementing the common operations
 // needed by the chrome WEBUI settings/history/downloads pages.
 class CONTENT_EXPORT WebUIDataSourceImpl
     : public NON_EXPORTED_BASE(URLDataSourceImpl),
       public NON_EXPORTED_BASE(WebUIDataSource) {
  public:
   // WebUIDataSource implementation:
@@ skipping 14 matching lines @@
   void OverrideContentSecurityPolicyFrameSrc(const std::string& data) override;
   void DisableDenyXFrameOptions() override;
 
  protected:
   ~WebUIDataSourceImpl() override;
 
   // Completes a request by sending our dictionary of localized strings.
   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;
   friend class WebUIDataSource;
   friend class WebUIDataSourceTest;
 
   explicit WebUIDataSourceImpl(const std::string& source_name);
 
   // Methods that match URLDataSource which are called by
   // InternalDataSource.
   std::string GetSource() const;
   std::string GetMimeType(const std::string& path) const;
   void StartDataRequest(
       const std::string& path,
       int render_process_id,
       int render_frame_id,
       const URLDataSource::GotDataCallback& callback);
 
   void disable_set_font_strings_for_testing() {
     disable_set_font_strings_ = true;
   }
 
   // The name of this source.
   // E.g., for favicons, this could be "favicon", which results in paths for
   // specific resources like "favicon/34" getting sent to this source.
   std::string source_name_;
   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_;
   bool object_src_set_;
   std::string object_src_;
   bool frame_src_set_;
   std::string frame_src_;
   bool deny_xframe_options_;
   bool disable_set_font_strings_;
   bool replace_existing_source_;
 
   DISALLOW_COPY_AND_ASSIGN(WebUIDataSourceImpl);
 };
 
-}  // content
+}  // namespace content
 
 #endif  // CONTENT_BROWSER_WEBUI_WEB_UI_DATA_SOURCE_IMPL_H_