[ServiceWorker] Add EmbeddedWorkerInstanceHost Interface.

content/renderer/service_worker/embedded_worker_instance_client_impl.cc

 // 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.
 
 #include "content/renderer/service_worker/embedded_worker_instance_client_impl.h"
 
 #include <memory>
 
 #include "base/memory/ptr_util.h"
 #include "base/strings/utf_string_conversions.h"
@@ skipping 28 matching lines @@
   // different. https://crbug.com/676526
   stop_callback_.Run();
   stop_callback_.Reset();
   dispatcher_->UnregisterWorker(embedded_worker_id_.value());
   embedded_worker_id_.reset();
   wrapper_ = nullptr;
 }
 
 void EmbeddedWorkerInstanceClientImpl::StartWorker(
     const EmbeddedWorkerStartParams& params,
-    mojom::ServiceWorkerEventDispatcherRequest dispatcher_request) {
+    mojom::ServiceWorkerEventDispatcherRequest dispatcher_request,
+    mojom::EmbeddedWorkerInstanceHostAssociatedPtrInfo instance_host) {
   DCHECK(ChildThreadImpl::current());
   DCHECK(!wrapper_);
   DCHECK(!embedded_worker_id_);
   TRACE_EVENT0("ServiceWorker",
                "EmbeddedWorkerInstanceClientImpl::StartWorker");
   embedded_worker_id_ = params.embedded_worker_id;
 
   std::unique_ptr<EmbeddedWorkerDispatcher::WorkerWrapper> wrapper =
       dispatcher_->StartWorkerContext(
           params,
           base::MakeUnique<ServiceWorkerContextClient>(
               params.embedded_worker_id, params.service_worker_version_id,
-              params.scope, params.script_url,
-              std::move(dispatcher_request), std::move(temporal_self_)));
+              params.scope, params.script_url, std::move(dispatcher_request),
+              std::move(instance_host), std::move(temporal_self_)));
   wrapper_ = wrapper.get();
   dispatcher_->RegisterWorker(params.embedded_worker_id, std::move(wrapper));
 }
 
 void EmbeddedWorkerInstanceClientImpl::StopWorker(
     const StopWorkerCallback& callback) {
   // StopWorker must be called after StartWorker is called.
   DCHECK(ChildThreadImpl::current());
   DCHECK(wrapper_);
   DCHECK(embedded_worker_id_);
@@ skipping 32 matching lines @@
 }
 
 EmbeddedWorkerInstanceClientImpl::~EmbeddedWorkerInstanceClientImpl() {}
 
 void EmbeddedWorkerInstanceClientImpl::OnError() {
   // Removes myself if it's owned by myself.
   temporal_self_.reset();
 }
 
 }  // namespace content