No rate limit for canMakePayment() on localhost and file://.

components/payments/content/origin_security_checker.cc

Index: components/payments/content/origin_security_checker.cc
diff --git a/components/payments/content/origin_security_checker.cc b/components/payments/content/origin_security_checker.cc
index 5cede98ca114cd9f025877949892d9c1a9a96c03..20986082d4796c4eeb7d7326ba6f1add2804dea1 100644
--- a/components/payments/content/origin_security_checker.cc
+++ b/components/payments/content/origin_security_checker.cc
@@ -5,6 +5,7 @@
 #include "components/payments/content/origin_security_checker.h"
 
 #include "content/public/common/origin_util.h"
+#include "net/base/url_util.h"
 #include "url/gurl.h"
 
 namespace payments {
@@ -19,4 +20,10 @@ bool OriginSecurityChecker::IsSchemeCryptographic(const GURL& url) {
   return url.is_valid() && url.SchemeIsCryptographic();
 }
 
+// static
+bool OriginSecurityChecker::IsOriginLocalhostOrFile(const GURL& url) {
+  return url.is_valid() &&
+         (net::IsLocalhost(url.HostNoBrackets()) || url.SchemeIsFile());
+}
+
 }  // namespace payments