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

content/browser/service_worker/service_worker_context_request_handler.cc

Index: content/browser/service_worker/service_worker_context_request_handler.cc
diff --git a/content/browser/service_worker/service_worker_context_request_handler.cc b/content/browser/service_worker/service_worker_context_request_handler.cc
index 867752162c373d591d87763817ec2e62387f86d9..97116c331be704ac490489a10b8ee595006d7b53 100644
--- a/content/browser/service_worker/service_worker_context_request_handler.cc
+++ b/content/browser/service_worker/service_worker_context_request_handler.cc
@@ -209,9 +209,11 @@ net::URLRequestJob* ServiceWorkerContextRequestHandler::MaybeCreateJobImpl(
   int extra_load_flags = 0;
   base::TimeDelta time_since_last_check =
       base::Time::Now() - registration->last_update_check();
+
   if (time_since_last_check >
           base::TimeDelta::FromHours(kServiceWorkerScriptMaxCacheAgeInHours) ||
-      version_->force_bypass_cache_for_scripts()) {
+      version_->force_bypass_cache_for_scripts() ||
+      !registration->use_cache()) {
     extra_load_flags = net::LOAD_BYPASS_CACHE;
   }