Add new mark-non-secure-as options to chrome://flags

chrome/browser/flag_descriptions.cc

Index: chrome/browser/flag_descriptions.cc
diff --git a/chrome/browser/flag_descriptions.cc b/chrome/browser/flag_descriptions.cc
index c8a324b710a1c3c447abbe452838c826e132cf45..308c3ea4e700867f7bfcd975e7b2ba0f8c2a9675 100644
--- a/chrome/browser/flag_descriptions.cc
+++ b/chrome/browser/flag_descriptions.cc
@@ -171,8 +171,13 @@ const char kEnableHttpFormWarningDescription[] =
 const char kMarkHttpAsName[] = "Mark non-secure origins as non-secure";
 
 const char kMarkHttpAsDescription[] = "Change the UI treatment for HTTP pages";
-
 const char kMarkHttpAsDangerous[] = "Always mark HTTP as actively dangerous";
+const char kMarkHttpAsNonSecureAfterEditing[] =
+    "Warn on HTTP after editing forms";
+const char kMarkHttpAsNonSecureWhileIncognito[] =
+    "Warn on HTTP while in Incognito mode";
+const char kMarkHttpAsNonSecureWhileIncognitoOrEditing[] =
+    "Warn on HTTP while in Incognito mode or after editing forms";
 
 //  Material design of the Incognito NTP.