Enable the new Incognito NTP

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 bc2a1a241345150bf6955d2a5e38276c8fff8af3..088e185836fbc8198d50b8bddc6e06b9ab0036d6 100644
--- a/chrome/common/chrome_features.cc
+++ b/chrome/common/chrome_features.cc
@@ -205,7 +205,13 @@ extern const base::Feature kAcknowledgeNtpOverrideOnDeactivate{
 
 // The material redesign of the Incognito NTP.
 const base::Feature kMaterialDesignIncognitoNTP{
-    "MaterialDesignIncognitoNTP", base::FEATURE_DISABLED_BY_DEFAULT};
+  "MaterialDesignIncognitoNTP",
+#if defined(OS_ANDROID)
+      base::FEATURE_DISABLED_BY_DEFAULT
+#else
+      base::FEATURE_ENABLED_BY_DEFAULT
+#endif
+};
 
 // Enables or disables the Material Design version of chrome://settings.
 // Also affects chrome://help.