[ServiceWorker] Add EmbeddedWorkerInstanceHost Interface.

content/browser/service_worker/service_worker_dispatcher_host_unittest.cc

Index: content/browser/service_worker/service_worker_dispatcher_host_unittest.cc
diff --git a/content/browser/service_worker/service_worker_dispatcher_host_unittest.cc b/content/browser/service_worker/service_worker_dispatcher_host_unittest.cc
index 0c3fdb678eea6b56ab493ca2eba85d61c9dd2b4d..44f58abcbe386fe4c686eb4ff1772eda855aa426 100644
--- a/content/browser/service_worker/service_worker_dispatcher_host_unittest.cc
+++ b/content/browser/service_worker/service_worker_dispatcher_host_unittest.cc
@@ -50,6 +50,12 @@ void SetUpDummyMessagePort(std::vector<MessagePort>* ports) {
   ports->push_back(MessagePort(std::move(pipe.handle0)));
 }
 
+void NestedLoopRunUntilIdle() {
+  base::MessageLoop::ScopedNestableTaskAllower nestable_allower(
+      base::MessageLoop::current());
+  base::RunLoop().RunUntilIdle();
+}
+
 }  // namespace
 
 static const int kRenderFrameId = 1;
@@ -84,15 +90,18 @@ class FailToStartWorkerTestHelper : public EmbeddedWorkerTestHelper {
  public:
   FailToStartWorkerTestHelper() : EmbeddedWorkerTestHelper(base::FilePath()) {}
 
-  void OnStartWorker(
-      int embedded_worker_id,
-      int64_t service_worker_version_id,
-      const GURL& scope,
-      const GURL& script_url,
-      bool pause_after_download,
-      mojom::ServiceWorkerEventDispatcherRequest request) override {
-    EmbeddedWorkerInstance* worker = registry()->GetWorker(embedded_worker_id);
-    registry()->OnWorkerStopped(worker->process_id(), embedded_worker_id);
+  void OnStartWorker(int embedded_worker_id,
+                     int64_t service_worker_version_id,
+                     const GURL& scope,
+                     const GURL& script_url,
+                     bool pause_after_download,
+                     mojom::ServiceWorkerEventDispatcherRequest request,
+                     mojom::EmbeddedWorkerInstanceHostAssociatedPtrInfo
+                         instance_host) override {
+    mojom::EmbeddedWorkerInstanceHostAssociatedPtr instance_host_ptr;
+    instance_host_ptr.Bind(std::move(instance_host));
+    instance_host_ptr->OnStopped();
+    NestedLoopRunUntilIdle();
   }
 };