HTTP Bad: Add warning message to autofill dropdown for http sites

chrome/browser/ui/autofill/chrome_autofill_client.cc

Index: chrome/browser/ui/autofill/chrome_autofill_client.cc
diff --git a/chrome/browser/ui/autofill/chrome_autofill_client.cc b/chrome/browser/ui/autofill/chrome_autofill_client.cc
index 70354e9f7576431024ac355421e35e56277704e9..c9840bafc57127ab906ed3fa20c0ba0e6d672bb5 100644
--- a/chrome/browser/ui/autofill/chrome_autofill_client.cc
+++ b/chrome/browser/ui/autofill/chrome_autofill_client.cc
@@ -47,6 +47,7 @@
 #include "content/public/browser/navigation_entry.h"
 #include "content/public/browser/render_frame_host.h"
 #include "content/public/browser/ssl_status.h"
+#include "content/public/common/origin_util.h"
 #include "ui/gfx/geometry/rect.h"
 
 #if BUILDFLAG(ANDROID_JAVA_UI)
@@ -365,6 +366,10 @@ bool ChromeAutofillClient::IsContextSecure(const GURL& form_origin) {
            content::SSLStatus::RAN_INSECURE_CONTENT);
 }
 
+bool ChromeAutofillClient::IsTopLevelURLSecure() {
+  return content::IsOriginSecure(web_contents()->GetVisibleURL());
+}
+
 bool ChromeAutofillClient::ShouldShowSigninPromo() {
 #if !defined(OS_ANDROID)
   // Determine if we are in a valid context (on desktop platforms, we could be