Bug 1652762 - Make mURISetByDetection an Atomic, r=necko-reviewers,valentin

Differential Revision: https://phabricator.services.mozilla.com/D83616

netwerk/dns/TRRServiceBase.cpp

@@ -16,7 +16,7 @@ namespace net {
 extern mozilla::LazyLogModule gHostResolverLog;
 #define LOG(args) MOZ_LOG(gHostResolverLog, mozilla::LogLevel::Debug, args)
 
-TRRServiceBase::TRRServiceBase() : mMode(0) {}
+TRRServiceBase::TRRServiceBase() : mMode(0), mURISetByDetection(false) {}
 
 void TRRServiceBase::ProcessURITemplate(nsACString& aURI) {
   // URI Template, RFC 6570.

netwerk/dns/TRRServiceBase.h

@@ -36,10 +36,11 @@ class TRRServiceBase {
   nsCString mPrivateURI;
   // Pref caches should only be used on the main thread.
   bool mURIPrefHasUserValue = false;
-  bool mURISetByDetection = false;
   nsCString mURIPref;
   nsCString mRolloutURIPref;
+
   Atomic<uint32_t, Relaxed> mMode;
+  Atomic<bool, Relaxed> mURISetByDetection;
 };
 
 }  // namespace net