Revamp the Incognito NTP on Desktop

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

Index: chrome/browser/ui/webui/ntp/ntp_resource_cache.cc
diff --git a/chrome/browser/ui/webui/ntp/ntp_resource_cache.cc b/chrome/browser/ui/webui/ntp/ntp_resource_cache.cc
index 0410f2868b3ce6697c161f58f3a93baaadb6ecff..5e2422b52a6d10b5005bb4ef6f2c62eece30f001 100644
--- a/chrome/browser/ui/webui/ntp/ntp_resource_cache.cc
+++ b/chrome/browser/ui/webui/ntp/ntp_resource_cache.cc
@@ -7,7 +7,7 @@
 #include <string>
 #include <vector>
 
-#include "base/command_line.h"
+#include "base/feature_list.h"
 #include "base/memory/ref_counted_memory.h"
 #include "base/strings/string16.h"
 #include "base/strings/string_number_conversions.h"
@@ -32,6 +32,7 @@
 #include "chrome/browser/ui/webui/app_launcher_login_handler.h"
 #include "chrome/browser/ui/webui/ntp/app_launcher_handler.h"
 #include "chrome/browser/ui/webui/ntp/new_tab_ui.h"
+#include "chrome/common/chrome_features.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/common/features.h"
 #include "chrome/common/pref_names.h"
@@ -272,6 +273,9 @@ void NTPResourceCache::Invalidate() {
 }
 
 void NTPResourceCache::CreateNewTabIncognitoHTML() {
+  const bool is_md_incognito_ntp_enabled =
+      base::FeatureList::IsEnabled(features::kMaterialDesignIncognitoNTP);
+
   ui::TemplateReplacements replacements;
   // Note: there's specific rules in CSS that look for this attribute's content
   // being equal to "true" as a string.
@@ -279,14 +283,28 @@ void NTPResourceCache::CreateNewTabIncognitoHTML() {
       profile_->GetPrefs()->GetBoolean(bookmarks::prefs::kShowBookmarkBar)
           ? "true"
           : "false";
-  replacements["incognitoTabDescription"] =
-      l10n_util::GetStringUTF8(IDS_NEW_TAB_OTR_DESCRIPTION);
-  replacements["incognitoTabHeading"] =
-      l10n_util::GetStringUTF8(IDS_NEW_TAB_OTR_HEADING);
-  replacements["incognitoTabWarning"] =
-      l10n_util::GetStringUTF8(IDS_NEW_TAB_OTR_MESSAGE_WARNING);
-  replacements["learnMore"] =
-      l10n_util::GetStringUTF8(IDS_NEW_TAB_OTR_LEARN_MORE_LINK);
+
+  if (is_md_incognito_ntp_enabled) {
+    replacements["incognitoTabDescription"] =
+        l10n_util::GetStringUTF8(IDS_NEW_TAB_OTR_SUBTITLE);
+    replacements["incognitoTabHeading"] =
+        l10n_util::GetStringUTF8(IDS_NEW_TAB_OTR_TITLE);
+    replacements["incognitoTabWarning"] =
+        l10n_util::GetStringUTF8(IDS_NEW_TAB_OTR_VISIBLE);
+    replacements["learnMore"] =
+        l10n_util::GetStringUTF8(IDS_NEW_TAB_OTR_LEARN_MORE_LINK);
+    replacements["incognitoTabFeatures"] =
+        l10n_util::GetStringUTF8(IDS_NEW_TAB_OTR_NOT_SAVED);
+  } else {
+    replacements["incognitoTabDescription"] =
+        l10n_util::GetStringUTF8(IDS_NEW_TAB_OTR_DESCRIPTION);
+    replacements["incognitoTabHeading"] =
+        l10n_util::GetStringUTF8(IDS_NEW_TAB_OTR_HEADING);
+    replacements["incognitoTabWarning"] =
+        l10n_util::GetStringUTF8(IDS_NEW_TAB_OTR_MESSAGE_WARNING);
+    replacements["learnMore"] =
+        l10n_util::GetStringUTF8(IDS_NEW_TAB_OTR_LEARN_MORE_LINK);
+  }
   replacements["learnMoreLink"] = kLearnMoreIncognitoUrl;
   replacements["title"] = l10n_util::GetStringUTF8(IDS_NEW_TAB_TITLE);
 
@@ -300,7 +318,8 @@ void NTPResourceCache::CreateNewTabIncognitoHTML() {
 
   static const base::StringPiece incognito_tab_html(
       ResourceBundle::GetSharedInstance().GetRawDataResource(
-          IDR_INCOGNITO_TAB_HTML));
+          is_md_incognito_ntp_enabled ? IDR_MD_INCOGNITO_TAB_HTML
+                                      : IDR_INCOGNITO_TAB_HTML));
 
   std::string full_html =
       ui::ReplaceTemplateExpressions(incognito_tab_html, replacements);