Convert Guest New Tab page from i18n-* (JS) to use $i18n{} (C++)

chrome/browser/ui/webui/ntp/ntp_resource_cache.cc

 // Copyright 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.
 
 #include "chrome/browser/ui/webui/ntp/ntp_resource_cache.h"
 
 #include <string>
 #include <vector>
 
 #include "base/command_line.h"
@@ skipping 351 matching lines @@
   localized_strings.SetString("learnMore",
       l10n_util::GetStringUTF16(guest_tab_link_ids));
   localized_strings.SetString("learnMoreLink", guest_tab_link);
 
   const std::string& app_locale = g_browser_process->GetApplicationLocale();
   webui::SetLoadTimeDataDefaults(app_locale, &localized_strings);
 
   static const base::StringPiece guest_tab_html(
       ResourceBundle::GetSharedInstance().GetRawDataResource(guest_tab_ids));
 
+#if defined(OS_CHROMEOS)
+  // TODO(dbeam): convert c/b/resources/chromeos/guest_session_tab.html from
+  // i18n-* to $i18n{}.
   std::string full_html = webui::GetI18nTemplateHtml(
       guest_tab_html, &localized_strings);
+#else
+  ui::TemplateReplacements replacements;
+  ui::TemplateReplacementsFromDictionaryValue(localized_strings, &replacements);
+  std::string full_html =
+      ui::ReplaceTemplateExpressions(guest_tab_html, replacements);
+#endif
 
   new_tab_guest_html_ = base::RefCountedString::TakeString(&full_html);
 }
 
 void NTPResourceCache::CreateNewTabHTML() {
   // TODO(estade): these strings should be defined in their relevant handlers
   // (in GetLocalizedValues) and should have more legible names.
   // Show the profile name in the title and most visited labels if the current
   // profile is not the default.
   PrefService* prefs = profile_->GetPrefs();
@@ skipping 200 matching lines @@
   // Get our template.
   static const base::StringPiece new_tab_theme_css(
       ResourceBundle::GetSharedInstance().GetRawDataResource(
           IDR_NEW_TAB_4_THEME_CSS));
 
   // Create the string from our template and the replacements.
   std::string css_string =
       ui::ReplaceTemplateExpressions(new_tab_theme_css, substitutions);
   new_tab_css_ = base::RefCountedString::TakeString(&css_string);
 }