Implement updateViaCache flag and no-cache by default for main service worker scripts

content/browser/service_worker/service_worker_register_job.cc

Index: content/browser/service_worker/service_worker_register_job.cc
diff --git a/content/browser/service_worker/service_worker_register_job.cc b/content/browser/service_worker/service_worker_register_job.cc
index aa9725eb02bef174d820ce3a39b2dadc967d1bca..f4ba02cbd399d3f1bf1c332006a94212dd5794b0 100644
--- a/content/browser/service_worker/service_worker_register_job.cc
+++ b/content/browser/service_worker/service_worker_register_job.cc
@@ -74,6 +74,7 @@ ServiceWorkerRegisterJob::ServiceWorkerRegisterJob(
       job_type_(REGISTRATION_JOB),
       pattern_(options.scope),
       script_url_(script_url),
+      update_via_cache_(options.update_via_cache),
       phase_(INITIAL),
       is_promise_resolved_(false),
       should_uninstall_on_failure_(false),
@@ -90,6 +91,7 @@ ServiceWorkerRegisterJob::ServiceWorkerRegisterJob(
     : context_(context),
       job_type_(UPDATE_JOB),
       pattern_(registration->pattern()),
+      update_via_cache_(registration->update_via_cache()),
       phase_(INITIAL),
       is_promise_resolved_(false),
       should_uninstall_on_failure_(false),
@@ -317,7 +319,8 @@ void ServiceWorkerRegisterJob::RegisterAndContinue() {
   }
 
   set_registration(new ServiceWorkerRegistration(
-      ServiceWorkerRegistrationOptions(pattern_), registration_id, context_));
+      ServiceWorkerRegistrationOptions(pattern_, update_via_cache_),
+      registration_id, context_));
   AddRegistrationToMatchingProviderHosts(registration());
   UpdateAndContinue();
 }