Revamp the Incognito NTP on Desktop

chrome/common/chrome_features.cc

Index: chrome/common/chrome_features.cc
diff --git a/chrome/common/chrome_features.cc b/chrome/common/chrome_features.cc
index 30c9bbabc7d56b1909779cafd7ee86a94f03d016..bf9b9eb0e87e74d0de53c8693d2e8e5e0dd39588 100644
--- a/chrome/common/chrome_features.cc
+++ b/chrome/common/chrome_features.cc
@@ -186,6 +186,10 @@ extern const base::Feature kAcknowledgeNtpOverrideOnDeactivate{
 const base::Feature kMaterialDesignHistory{"MaterialDesignHistory",
                                            base::FEATURE_ENABLED_BY_DEFAULT};
 
+// The material redesign of the Incognito NTP.
+const base::Feature kMaterialDesignIncognitoNTP{
+    "MaterialDesignIncognitoNTP", base::FEATURE_DISABLED_BY_DEFAULT};
+
 // Enables or disables the Material Design version of chrome://settings.
 // Also affects chrome://help.
 const base::Feature kMaterialDesignSettings{"MaterialDesignSettings",