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

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 3485ac1987f2bbef0cb9b690ad829564a0a4b118..a13843c82acf007fdecde6af0b0727b5de9b1297 100644
--- a/content/browser/service_worker/embedded_worker_test_helper.cc
+++ b/content/browser/service_worker/embedded_worker_test_helper.cc
@@ -73,7 +73,8 @@ EmbeddedWorkerTestHelper::MockEmbeddedWorkerInstanceClient::
 void EmbeddedWorkerTestHelper::MockEmbeddedWorkerInstanceClient::StartWorker(
     const EmbeddedWorkerStartParams& params,
     mojom::ServiceWorkerEventDispatcherRequest dispatcher_request,
-    mojom::EmbeddedWorkerInstanceHostAssociatedPtrInfo instance_host) {
+    mojom::EmbeddedWorkerInstanceHostAssociatedPtrInfo instance_host,
+    mojom::ServiceWorkerProviderClientInfoPtr provider_client_info) {
   if (!helper_)
     return;
 
@@ -85,7 +86,8 @@ void EmbeddedWorkerTestHelper::MockEmbeddedWorkerInstanceClient::StartWorker(
   EXPECT_EQ(EmbeddedWorkerStatus::STARTING, worker->status());
 
   helper_->OnStartWorkerStub(params, std::move(dispatcher_request),
-                             std::move(instance_host));
+                             std::move(instance_host),
+                             std::move(provider_client_info));
 }
 
 void EmbeddedWorkerTestHelper::MockEmbeddedWorkerInstanceClient::StopWorker() {
@@ -290,7 +292,6 @@ EmbeddedWorkerTestHelper::EmbeddedWorkerTestHelper(
       wrapper_(new ServiceWorkerContextWrapper(browser_context_.get())),
       mock_instance_clients_next_index_(0),
       next_thread_id_(0),
-      next_provider_id_(1000),
       mock_render_process_id_(render_process_host_->GetID()),
       new_mock_render_process_id_(new_render_process_host_->GetID()),
       weak_factory_(this) {
@@ -298,7 +299,8 @@ EmbeddedWorkerTestHelper::EmbeddedWorkerTestHelper(
       new MockServiceWorkerDatabaseTaskManager(
           base::ThreadTaskRunnerHandle::Get()));
   wrapper_->InitInternal(user_data_directory, std::move(database_task_manager),
-                         base::ThreadTaskRunnerHandle::Get(), nullptr, nullptr);
+                         base::ThreadTaskRunnerHandle::Get(), nullptr, nullptr,
+                         nullptr, nullptr);
   wrapper_->process_manager()->SetProcessIdForTest(mock_render_process_id());
   wrapper_->process_manager()->SetNewProcessIdForTest(new_render_process_id());
 
@@ -395,7 +397,8 @@ void EmbeddedWorkerTestHelper::OnStartWorker(
     const GURL& script_url,
     bool pause_after_download,
     mojom::ServiceWorkerEventDispatcherRequest request,
-    mojom::EmbeddedWorkerInstanceHostAssociatedPtrInfo instance_host) {
+    mojom::EmbeddedWorkerInstanceHostAssociatedPtrInfo instance_host,
+    mojom::ServiceWorkerProviderClientInfoPtr provider_client_info) {
   EmbeddedWorkerInstance* worker = registry()->GetWorker(embedded_worker_id);
   ASSERT_TRUE(worker);
   MockServiceWorkerEventDispatcher::Create(AsWeakPtr(), worker->thread_id(),
@@ -405,6 +408,9 @@ void EmbeddedWorkerTestHelper::OnStartWorker(
       service_worker_version_id;
   embedded_worker_id_instance_host_ptr_map_[embedded_worker_id].Bind(
       std::move(instance_host));
+  ServiceWorkerRemoteProviderEndpoint* provider_endpoint =
+      &embedded_worker_id_remote_provider_map_[embedded_worker_id];
+  provider_endpoint->BindWithProviderClientInfo(provider_client_info.get());
 
   SimulateWorkerReadyForInspection(embedded_worker_id);
   SimulateWorkerScriptCached(embedded_worker_id);
@@ -414,8 +420,7 @@ void EmbeddedWorkerTestHelper::OnStartWorker(
 }
 
 void EmbeddedWorkerTestHelper::OnResumeAfterDownload(int embedded_worker_id) {
-  SimulateWorkerThreadStarted(GetNextThreadId(), embedded_worker_id,
-                              GetNextProviderId());
+  SimulateWorkerThreadStarted(GetNextThreadId(), embedded_worker_id);
   SimulateWorkerScriptEvaluated(embedded_worker_id, true /* success */);
   SimulateWorkerStarted(embedded_worker_id);
 }
@@ -576,22 +581,12 @@ void EmbeddedWorkerTestHelper::SimulateWorkerScriptLoaded(
 
 void EmbeddedWorkerTestHelper::SimulateWorkerThreadStarted(
     int thread_id,
-    int embedded_worker_id,
-    int provider_id) {
+    int embedded_worker_id) {
   EmbeddedWorkerInstance* worker = registry()->GetWorker(embedded_worker_id);
   ASSERT_TRUE(worker);
   ASSERT_TRUE(embedded_worker_id_instance_host_ptr_map_[embedded_worker_id]);
-
-  // Prepare a provider host to be used by following OnThreadStarted().
-  std::unique_ptr<ServiceWorkerProviderHost> host =
-      CreateProviderHostForServiceWorkerContext(
-          worker->process_id(), provider_id, true /* is_parent_frame_secure */,
-          context()->AsWeakPtr(),
-          &embedded_worker_id_remote_provider_map_[embedded_worker_id]);
-  context()->AddProviderHost(std::move(host));
-
   embedded_worker_id_instance_host_ptr_map_[embedded_worker_id]
-      ->OnThreadStarted(thread_id, provider_id);
+      ->OnThreadStarted(thread_id);
   base::RunLoop().RunUntilIdle();
 }
 
@@ -631,7 +626,8 @@ void EmbeddedWorkerTestHelper::SimulateSend(IPC::Message* message) {
 void EmbeddedWorkerTestHelper::OnStartWorkerStub(
     const EmbeddedWorkerStartParams& params,
     mojom::ServiceWorkerEventDispatcherRequest request,
-    mojom::EmbeddedWorkerInstanceHostAssociatedPtrInfo instance_host) {
+    mojom::EmbeddedWorkerInstanceHostAssociatedPtrInfo instance_host,
+    mojom::ServiceWorkerProviderClientInfoPtr provider_client_info) {
   EmbeddedWorkerInstance* worker =
       registry()->GetWorker(params.embedded_worker_id);
   ASSERT_TRUE(worker);
@@ -641,7 +637,8 @@ void EmbeddedWorkerTestHelper::OnStartWorkerStub(
       base::Bind(&EmbeddedWorkerTestHelper::OnStartWorker, AsWeakPtr(),
                  params.embedded_worker_id, params.service_worker_version_id,
                  params.scope, params.script_url, params.pause_after_download,
-                 base::Passed(&request), base::Passed(&instance_host)));
+                 base::Passed(&request), base::Passed(&instance_host),
+                 base::Passed(&provider_client_info)));
 }
 
 void EmbeddedWorkerTestHelper::OnResumeAfterDownloadStub(