S13nServiceWorker: Fix some SharedWorkerHostTests

Pass a mock URLLoaderFactoryPtrInfo to URLLoaderFactoryBundleInfo
as SharedWorkerHost requires the default loader factory when
S13nServiceWorker is on.

Bug: 891997
Cq-Include-Trybots: luci.chromium.try:linux_mojo
Change-Id: Id656e2fe26fd44a25b6b367bb401553201d4b17a
Reviewed-on: https://chromium-review.googlesource.com/c/1260783
Commit-Queue: Kenichi Ishibashi <bashi@chromium.org>
Reviewed-by: Hiroki Nakagawa <nhiroki@chromium.org>
Cr-Commit-Position: refs/heads/master@{#596499}

content/browser/shared_worker/shared_worker_host_unittest.cc

@@ -147,7 +147,16 @@ class SharedWorkerHostTest : public testing::Test {
       mojo::MakeStrongAssociatedBinding(
           std::make_unique<NotImplementedNetworkURLLoaderFactory>(),
           mojo::MakeRequest(&main_script_loader_factory));
-      subresource_loader_factories.reset(new URLLoaderFactoryBundleInfo());
+
+      network::mojom::URLLoaderFactoryPtr default_factory_ptr;
+      mojo::MakeStrongBinding(
+          std::make_unique<NotImplementedNetworkURLLoaderFactory>(),
+          mojo::MakeRequest(&default_factory_ptr));
+      subresource_loader_factories.reset(new URLLoaderFactoryBundleInfo(
+          default_factory_ptr.PassInterface(),
+          URLLoaderFactoryBundleInfo::SchemeMap(),
+          URLLoaderFactoryBundleInfo::OriginMap(),
+          true /* bypass_redirect_checks */));
     }
 
     host->Start(std::move(factory), std::move(provider_info),