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

content/browser/service_worker/service_worker_database.cc

Index: content/browser/service_worker/service_worker_database.cc
diff --git a/content/browser/service_worker/service_worker_database.cc b/content/browser/service_worker/service_worker_database.cc
index 2db301c1b627bb2ed9fec1f69b4852c9573194dd..cfa9979d181c6b72f8127589dad65be845be0e3b 100644
--- a/content/browser/service_worker/service_worker_database.cc
+++ b/content/browser/service_worker/service_worker_database.cc
@@ -277,11 +277,11 @@ const char* ServiceWorkerDatabase::StatusToString(
 
 ServiceWorkerDatabase::RegistrationData::RegistrationData()
     : registration_id(kInvalidServiceWorkerRegistrationId),
+      use_cache(false),
       version_id(kInvalidServiceWorkerVersionId),
       is_active(false),
       has_fetch_handler(false),
-      resources_total_size_bytes(0) {
-}
+      resources_total_size_bytes(0) {}
 
 ServiceWorkerDatabase::RegistrationData::RegistrationData(
     const RegistrationData& other) = default;
@@ -1294,6 +1294,8 @@ ServiceWorkerDatabase::Status ServiceWorkerDatabase::ParseRegistrationData(
   for (uint32_t feature : data.used_features())
     out->used_features.insert(feature);
 
+  out->use_cache = data.use_cache();
+
   return ServiceWorkerDatabase::STATUS_OK;
 }
 
@@ -1343,6 +1345,8 @@ void ServiceWorkerDatabase::WriteRegistrationDataInBatch(
   for (uint32_t feature : registration.used_features)
     data.add_used_features(feature);
 
+  data.set_use_cache(registration.use_cache);
+
   std::string value;
   bool success = data.SerializeToString(&value);
   DCHECK(success);