Implement the infrastructure of creating WorkerFetchContext in worker global scope.

third_party/WebKit/Source/web/WebEmbeddedWorkerImpl.cpp

 /*
  * Copyright (C) 2013 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 20 matching lines @@
 #include "web/WebEmbeddedWorkerImpl.h"
 
 #include <memory>
 #include "bindings/core/v8/SourceLocation.h"
 #include "core/dom/Document.h"
 #include "core/dom/SecurityContext.h"
 #include "core/frame/csp/ContentSecurityPolicy.h"
 #include "core/inspector/ConsoleMessage.h"
 #include "core/loader/FrameLoadRequest.h"
 #include "core/loader/ThreadableLoadingContext.h"
+#include "core/loader/WorkerFetchContext.h"
 #include "core/probe/CoreProbes.h"
 #include "core/workers/ParentFrameTaskRunners.h"
 #include "core/workers/WorkerClients.h"
 #include "core/workers/WorkerGlobalScope.h"
 #include "core/workers/WorkerInspectorProxy.h"
 #include "core/workers/WorkerLoaderProxy.h"
 #include "core/workers/WorkerScriptLoader.h"
 #include "core/workers/WorkerThreadStartupData.h"
 #include "modules/serviceworkers/ServiceWorkerContainerClient.h"
 #include "modules/serviceworkers/ServiceWorkerThread.h"
@@ skipping 375 matching lines @@
                                        std::move(content_settings_client_));
   ProvideIndexedDBClientToWorker(worker_clients,
                                  IndexedDBClientImpl::Create(*worker_clients));
   ProvideServiceWorkerGlobalScopeClientToWorker(
       worker_clients,
       ServiceWorkerGlobalScopeClientImpl::Create(*worker_context_client_));
   ProvideServiceWorkerContainerClientToWorker(
       worker_clients,
       WTF::WrapUnique(worker_context_client_->CreateServiceWorkerProvider()));
 
+  std::unique_ptr<WebWorkerFetchContextInfo> web_worker_fetch_context_info =
+      WTF::WrapUnique(
+          worker_context_client_->CreateServiceWorkerFetchContextInfo());
+  // |web_worker_fetch_context_info| is null if off-main-thread-fetch is
+  // disabled.
+  if (web_worker_fetch_context_info) {
+    // TODO(horo): Set more information about the context (ex: DataSaverEnabled)
+    // to |web_worker_fetch_context_info|.
+    ProvideWorkerFetchContextInfoToWorker(
+        worker_clients, std::move(web_worker_fetch_context_info));
+  }
+
   // We need to set the CSP to both the shadow page's document and the
   // ServiceWorkerGlobalScope.
   document->InitContentSecurityPolicy(
       main_script_loader_->ReleaseContentSecurityPolicy());
   if (!main_script_loader_->GetReferrerPolicy().IsNull()) {
     document->ParseAndSetReferrerPolicy(
         main_script_loader_->GetReferrerPolicy());
   }
 
   KURL script_url = main_script_loader_->Url();
@@ skipping 30 matching lines @@
   loader_proxy_ = WorkerLoaderProxy::Create(this);
   worker_thread_ =
       ServiceWorkerThread::Create(loader_proxy_, *worker_global_scope_proxy_);
   worker_thread_->Start(std::move(startup_data),
                         main_thread_task_runners_.Get());
   worker_inspector_proxy_->WorkerThreadCreated(document, worker_thread_.get(),
                                                script_url);
 }
 
 }  // namespace blink