--- a/netwerk/cookie/nsCookieService.cpp
+++ b/netwerk/cookie/nsCookieService.cpp
@@ -4508,17 +4508,17 @@ nsCookieService::CookieExistsNative(nsIC
 }
 
 // For a given base domain, find either an expired cookie or the oldest cookie
 // by lastAccessed time.
 int64_t
 nsCookieService::FindStaleCookie(nsCookieEntry *aEntry,
                                  int64_t aCurrentTime,
                                  nsIURI* aSource,
-                                 mozilla::Maybe<bool> aIsSecure,
+                                 const mozilla::Maybe<bool> &aIsSecure,
                                  nsListIter &aIter)
 {
   aIter.entry = nullptr;
   bool requireHostMatch = true;
   nsAutoCString baseDomain, sourceHost, sourcePath;
   if (aSource) {
     GetBaseDomain(aSource, baseDomain, requireHostMatch);
     aSource->GetAsciiHost(sourceHost);

--- a/netwerk/cookie/nsCookieService.h
+++ b/netwerk/cookie/nsCookieService.h
@@ -308,17 +308,17 @@ class nsCookieService final : public nsI
     bool                          CheckDomain(nsCookieAttributes &aCookie, nsIURI *aHostURI, const nsCString &aBaseDomain, bool aRequireHostMatch);
     static bool                   CheckPath(nsCookieAttributes &aCookie, nsIURI *aHostURI);
     static bool                   CheckPrefixes(nsCookieAttributes &aCookie, bool aSecureRequest);
     static bool                   GetExpiry(nsCookieAttributes &aCookie, int64_t aServerTime, int64_t aCurrentTime);
     void                          RemoveAllFromMemory();
     already_AddRefed<nsIArray>    PurgeCookies(int64_t aCurrentTimeInUsec);
     bool                          FindCookie(const nsCookieKey& aKey, const nsAFlatCString &aHost, const nsAFlatCString &aName, const nsAFlatCString &aPath, nsListIter &aIter);
     bool                          FindSecureCookie(const nsCookieKey& aKey, nsCookie* aCookie);
-    int64_t                       FindStaleCookie(nsCookieEntry *aEntry, int64_t aCurrentTime, nsIURI* aSource, mozilla::Maybe<bool> aIsSecure, nsListIter &aIter);
+    int64_t                       FindStaleCookie(nsCookieEntry *aEntry, int64_t aCurrentTime, nsIURI* aSource, const mozilla::Maybe<bool> &aIsSecure, nsListIter &aIter);
     void                          TelemetryForEvictingStaleCookie(nsCookie* aEvicted, int64_t oldestCookieTime);
     void                          NotifyRejected(nsIURI *aHostURI);
     void                          NotifyThirdParty(nsIURI *aHostURI, bool aAccepted, nsIChannel *aChannel);
     void                          NotifyChanged(nsISupports *aSubject, const char16_t *aData);
     void                          NotifyPurged(nsICookie2* aCookie);
     already_AddRefed<nsIArray>    CreatePurgeList(nsICookie2* aCookie);
     void                          UpdateCookieOldestTime(DBState* aDBState, nsCookie* aCookie);