ServiceWorker: Exchange InterfaceProviders when starting worker thread

content/renderer/service_worker/service_worker_context_client.h

Index: content/renderer/service_worker/service_worker_context_client.h
diff --git a/content/renderer/service_worker/service_worker_context_client.h b/content/renderer/service_worker/service_worker_context_client.h
index d31a15a9d3aa7f9566ce85f1a0e58d71e138f096..6b70a54c140d582857ca1888e4fef532c0da2c17 100644
--- a/content/renderer/service_worker/service_worker_context_client.h
+++ b/content/renderer/service_worker/service_worker_context_client.h
@@ -80,7 +80,7 @@ class ServiceWorkerContextClient
       const GURL& service_worker_scope,
       const GURL& script_url,
       int worker_devtools_agent_route_id,
-      std::unique_ptr<EmbeddedWorkerInstanceClientImpl> embedded_worker);
+      std::unique_ptr<EmbeddedWorkerInstanceClientImpl> embedded_worker_client);
   ~ServiceWorkerContextClient() override;
 
   void OnMessageReceived(int thread_id,
@@ -245,6 +245,8 @@ class ServiceWorkerContextClient
                            const base::string16& message);
   void OnPing();
 
+  void OnDidGetEmbeddedWorkerInstance();
+
   base::WeakPtr<ServiceWorkerContextClient> GetWeakPtr();
 
   const int embedded_worker_id_;
@@ -261,8 +263,8 @@ class ServiceWorkerContextClient
   // Not owned; this object is destroyed when proxy_ becomes invalid.
   blink::WebServiceWorkerContextProxy* proxy_;
 
-  // Remote instance represents EmbeddedWorkerInstance.
-  std::unique_ptr<EmbeddedWorkerInstanceClientImpl> embedded_worker_;
+  // Renderer-side object corresponding to WebEmbeddedWorkerInstance
+  std::unique_ptr<EmbeddedWorkerInstanceClientImpl> embedded_worker_client_;
 
   // Initialized on the worker thread in workerContextStarted and
   // destructed on the worker thread in willDestroyWorkerContext.