Implement dumb URLLoader{Factory} for ServiceWorker script loading (for try)

content/browser/service_worker/service_worker_url_loader_job.cc

Index: content/browser/service_worker/service_worker_url_loader_job.cc
diff --git a/content/browser/service_worker/service_worker_url_loader_job.cc b/content/browser/service_worker/service_worker_url_loader_job.cc
index 70e925b9b8649470129bf89410f89c8c082def2a..271a1ce73f9c75bfcb06c37a8e15a1b5617476ce 100644
--- a/content/browser/service_worker/service_worker_url_loader_job.cc
+++ b/content/browser/service_worker/service_worker_url_loader_job.cc
@@ -182,9 +182,8 @@ void ServiceWorkerURLLoaderJob::SaveResponseHeaders(
 void ServiceWorkerURLLoaderJob::CommitResponseHeaders() {
   DCHECK_EQ(Status::kStarted, status_);
   status_ = Status::kSentHeader;
-  url_loader_client_->OnReceiveResponse(
-      response_head_, base::nullopt /* TODO(scottmg): ssl info */,
-      mojom::DownloadedTempFilePtr());
+  url_loader_client_->OnReceiveResponse(response_head_, ssl_info_,
+                                        mojom::DownloadedTempFilePtr());
 }
 
 void ServiceWorkerURLLoaderJob::CommitCompleted(int error_code) {
@@ -247,6 +246,15 @@ void ServiceWorkerURLLoaderJob::DidDispatchFetchEvent(
     return;
   }
 
+  // Creates a new HttpResponseInfo using the the ServiceWorker script's
+  // HttpResponseInfo to show HTTPS padlock.
+  // TODO(horo): When we support mixed-content (HTTP) no-cors requests from a
+  // ServiceWorker, we have to check the security level of the responses.
+  const net::HttpResponseInfo* main_script_http_info =
+      version->GetMainScriptHttpResponseInfo();
+  DCHECK(main_script_http_info);
+  ssl_info_ = main_script_http_info->ssl_info;
+
   std::move(loader_callback_)
       .Run(base::Bind(&ServiceWorkerURLLoaderJob::StartResponse,
                       weak_factory_.GetWeakPtr(), response,