service worker: use 200 OK for update requests even in the no update case

content/browser/service_worker/embedded_worker_test_helper.cc

Index: content/browser/service_worker/embedded_worker_test_helper.cc
diff --git a/content/browser/service_worker/embedded_worker_test_helper.cc b/content/browser/service_worker/embedded_worker_test_helper.cc
index 5be0d68bc4f9c195f5bb613993c5e0d91cca6653..cac428642b57bd95633aafbc9dada25d65f1aabb 100644
--- a/content/browser/service_worker/embedded_worker_test_helper.cc
+++ b/content/browser/service_worker/embedded_worker_test_helper.cc
@@ -130,6 +130,8 @@ bool EmbeddedWorkerTestHelper::OnMessageReceived(const IPC::Message& message) {
   bool handled = true;
   IPC_BEGIN_MESSAGE_MAP(EmbeddedWorkerTestHelper, message)
     IPC_MESSAGE_HANDLER(EmbeddedWorkerMsg_StartWorker, OnStartWorkerStub)
+    IPC_MESSAGE_HANDLER(EmbeddedWorkerMsg_ResumeAfterDownload,
+                        OnResumeAfterDownloadStub)
     IPC_MESSAGE_HANDLER(EmbeddedWorkerMsg_StopWorker, OnStopWorkerStub)
     IPC_MESSAGE_HANDLER(EmbeddedWorkerContextMsg_MessageToWorker,
                         OnMessageToWorkerStub)
@@ -155,12 +157,18 @@ void EmbeddedWorkerTestHelper::ShutdownContext() {
 void EmbeddedWorkerTestHelper::OnStartWorker(int embedded_worker_id,
                                              int64_t service_worker_version_id,
                                              const GURL& scope,
-                                             const GURL& script_url) {
+                                             const GURL& script_url,
+                                             bool pause_after_download) {
   embedded_worker_id_service_worker_version_id_map_[embedded_worker_id] =
       service_worker_version_id;
   SimulateWorkerReadyForInspection(embedded_worker_id);
   SimulateWorkerScriptCached(embedded_worker_id);
   SimulateWorkerScriptLoaded(embedded_worker_id);
+  if (!pause_after_download)
+    OnResumeAfterDownload(embedded_worker_id);
+}
+
+void EmbeddedWorkerTestHelper::OnResumeAfterDownload(int embedded_worker_id) {
   SimulateWorkerThreadStarted(GetNextThreadId(), embedded_worker_id);
   SimulateWorkerScriptEvaluated(embedded_worker_id, true /* success */);
   SimulateWorkerStarted(embedded_worker_id);
@@ -313,7 +321,16 @@ void EmbeddedWorkerTestHelper::OnStartWorkerStub(
       base::Bind(&EmbeddedWorkerTestHelper::OnStartWorker,
                  weak_factory_.GetWeakPtr(), params.embedded_worker_id,
                  params.service_worker_version_id, params.scope,
-                 params.script_url));
+                 params.script_url, params.pause_after_download));
+}
+
+void EmbeddedWorkerTestHelper::OnResumeAfterDownloadStub(
+    int embedded_worker_id) {
+  EmbeddedWorkerInstance* worker = registry()->GetWorker(embedded_worker_id);
+  ASSERT_TRUE(worker);
+  base::ThreadTaskRunnerHandle::Get()->PostTask(
+      FROM_HERE, base::Bind(&EmbeddedWorkerTestHelper::OnResumeAfterDownload,
+                            weak_factory_.GetWeakPtr(), embedded_worker_id));
 }
 
 void EmbeddedWorkerTestHelper::OnStopWorkerStub(int embedded_worker_id) {