Implement Referrer-Policy header for workers

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 394 matching lines @@
     SecurityOrigin* starterOrigin = document->getSecurityOrigin();
 
     WorkerClients* workerClients = WorkerClients::create();
     provideContentSettingsClientToWorker(workerClients, std::move(m_contentSettingsClient));
     provideIndexedDBClientToWorker(workerClients, IndexedDBClientImpl::create());
     provideServiceWorkerGlobalScopeClientToWorker(workerClients, ServiceWorkerGlobalScopeClientImpl::create(*m_workerContextClient));
     provideServiceWorkerContainerClientToWorker(workerClients, wrapUnique(m_workerContextClient->createServiceWorkerProvider()));
 
     // We need to set the CSP to both the shadow page's document and the ServiceWorkerGlobalScope.
     document->initContentSecurityPolicy(m_mainScriptLoader->releaseContentSecurityPolicy());
+    if (!m_mainScriptLoader->referrerPolicy().isNull())
+        document->parseAndSetReferrerPolicy(m_mainScriptLoader->referrerPolicy());
 
     KURL scriptURL = m_mainScriptLoader->url();
     WorkerThreadStartMode startMode = m_workerInspectorProxy->workerStartMode(document);
 
     std::unique_ptr<WorkerThreadStartupData> startupData = WorkerThreadStartupData::create(
         scriptURL,
         m_workerStartData.userAgent,
         m_mainScriptLoader->script(),
         m_mainScriptLoader->releaseCachedMetadata(),
         startMode,
         document->contentSecurityPolicy()->headers().get(),
+        m_mainScriptLoader->referrerPolicy(),
         starterOrigin,
         workerClients,
         m_mainScriptLoader->responseAddressSpace(),
         m_mainScriptLoader->originTrialTokens(),
         static_cast<V8CacheOptions>(m_workerStartData.v8CacheOptions));
 
     m_mainScriptLoader.clear();
 
     m_workerGlobalScopeProxy = ServiceWorkerGlobalScopeProxy::create(*this, *document, *m_workerContextClient);
     m_loaderProxy = WorkerLoaderProxy::create(this);
     m_workerThread = ServiceWorkerThread::create(m_loaderProxy, *m_workerGlobalScopeProxy);
     m_workerThread->start(std::move(startupData));
     m_workerInspectorProxy->workerThreadCreated(document, m_workerThread.get(), scriptURL);
 }
 
 } // namespace blink