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

content/browser/service_worker/service_worker_handle_unittest.cc

Index: content/browser/service_worker/service_worker_handle_unittest.cc
diff --git a/content/browser/service_worker/service_worker_handle_unittest.cc b/content/browser/service_worker/service_worker_handle_unittest.cc
index 24d01a17ade2698c860ee6b54ac769584c4564e6..38f3592a085b99d6cc6dd69d08fdc92c0162b7c1 100644
--- a/content/browser/service_worker/service_worker_handle_unittest.cc
+++ b/content/browser/service_worker/service_worker_handle_unittest.cc
@@ -83,9 +83,7 @@ class ServiceWorkerHandleTest : public testing::Test {
 
     const GURL pattern("http://www.example.com/");
     registration_ = new ServiceWorkerRegistration(
-        pattern,
-        1L,
-        helper_->context()->AsWeakPtr());
+        pattern, false /* use_cache */, 1L, helper_->context()->AsWeakPtr());
     version_ = new ServiceWorkerVersion(
         registration_.get(),
         GURL("http://www.example.com/service_worker.js"),