[ServiceWorker] Add EmbeddedWorkerInstanceHost Interface.

content/renderer/service_worker/embedded_worker_instance_client_impl.h

 // Copyright (c) 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CONTENT_RENDERER_SERVICE_WORKER_EMBEDDED_WORKER_INSTANCE_CLIENT_IMPL_H_
 #define CONTENT_RENDERER_SERVICE_WORKER_EMBEDDED_WORKER_INSTANCE_CLIENT_IMPL_H_
 
 #include "base/id_map.h"
 #include "base/optional.h"
 #include "content/child/child_thread_impl.h"
@@ skipping 22 matching lines @@
   };
 
  private:
   EmbeddedWorkerInstanceClientImpl(
       EmbeddedWorkerDispatcher* dispatcher,
       mojo::InterfaceRequest<mojom::EmbeddedWorkerInstanceClient> request);
 
   // mojom::EmbeddedWorkerInstanceClient implementation
   void StartWorker(
       const EmbeddedWorkerStartParams& params,
-      mojom::ServiceWorkerEventDispatcherRequest dispatcher_request) override;
+      mojom::ServiceWorkerEventDispatcherRequest dispatcher_request,
+      mojom::EmbeddedWorkerInstanceHostAssociatedPtrInfo instance_host)
+      override;
   void StopWorker(const StopWorkerCallback& callback) override;
   void ResumeAfterDownload() override;
   void AddMessageToConsole(blink::WebConsoleMessage::Level level,
                            const std::string& message) override;
 
   // Handler of connection error bound to |binding_|
   void OnError();
 
   EmbeddedWorkerDispatcher* dispatcher_;
   mojo::Binding<mojom::EmbeddedWorkerInstanceClient> binding_;
 
   // This is valid before StartWorker is called. After that, this object
   // will be passed to ServiceWorkerContextClient.
   std::unique_ptr<EmbeddedWorkerInstanceClientImpl> temporal_self_;
 
   base::Optional<int> embedded_worker_id_;
 
   // Owned by EmbeddedWorkerDispatcher. This can be nullptr while a worker is
   // not running.
   EmbeddedWorkerDispatcher::WorkerWrapper* wrapper_;
 
   StopWorkerCallback stop_callback_;
 
   DISALLOW_COPY_AND_ASSIGN(EmbeddedWorkerInstanceClientImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_SERVICE_WORKER_EMBEDDED_WORKER_INSTANCE_CLIENT_IMPL_H_