[ServiceWorker] Serialize request.referrer to "about:client" when it's client.

Source/modules/serviceworkers/FetchRequestData.cpp

 // Copyright 2014 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 "config.h"
 #include "FetchRequestData.h"
 
 #include "core/dom/Document.h"
 #include "core/dom/ExecutionContext.h"
 #include "core/fetch/ResourceLoaderOptions.h"
 #include "core/loader/ThreadableLoader.h"
 #include "modules/serviceworkers/FetchHeaderList.h"
 #include "platform/network/ResourceRequest.h"
 #include "public/platform/WebServiceWorkerRequest.h"
 #include "public/platform/WebURLRequest.h"
 
 namespace blink {
 
 FetchRequestData* FetchRequestData::create()
 {
     return new FetchRequestData();
 }
 
-FetchRequestData* FetchRequestData::create(ExecutionContext* context)
-{
-    FetchRequestData* request = FetchRequestData::create();
-    if (context->isDocument())
-        request->m_referrer.setClient(blink::Referrer(context->url().strippedForUseAsReferrer(), toDocument(context)->referrerPolicy()));
-    else
-        request->m_referrer.setClient(blink::Referrer(context->url().strippedForUseAsReferrer(), ReferrerPolicyDefault));
-    return request;
-}
-
 FetchRequestData* FetchRequestData::create(const WebServiceWorkerRequest& webRequest)
 {
     FetchRequestData* request = FetchRequestData::create();
     request->m_url = webRequest.url();
     request->m_method = webRequest.method();
     for (HTTPHeaderMap::const_iterator it = webRequest.headers().begin(); it != webRequest.headers().end(); ++it)
         request->m_headerList->append(it->key, it->value);
     request->m_blobDataHandle = webRequest.blobDataHandle();
     request->m_referrer.setURL(webRequest.referrer());
     request->setMode(webRequest.mode());
     request->setCredentials(webRequest.credentialsMode());
     return request;
 }
 
 FetchRequestData* FetchRequestData::createRestrictedCopy(ExecutionContext* context, PassRefPtr<SecurityOrigin> origin) const
 {
     // "To make a restricted copy of a request |request|, run these steps:
     // 1. Let |r| be a new request whose url is |request|'s url, method is
     // |request|'s method, header list is a copy of |request|'s header list,
     // body is a tee of |request|'s body, client is entry settings object's
     // global object, origin is entry settings object's origin, referrer is
     // |client|, context is |connect|, mode is |request|'s mode, and credentials
     //  mode is |request|'s credentials mode."
     FetchRequestData* request = FetchRequestData::create();
     request->m_url = m_url;
     request->m_method = m_method;
     request->m_headerList = m_headerList->createCopy();
     request->m_blobDataHandle = m_blobDataHandle;
     request->m_origin = origin;
-    if (context->isDocument())
-        request->m_referrer.setClient(blink::Referrer(context->url().strippedForUseAsReferrer(), toDocument(context)->referrerPolicy()));
-    else
-        request->m_referrer.setClient(blink::Referrer(context->url().strippedForUseAsReferrer(), ReferrerPolicyDefault));
+    request->m_referrer.setClient();
     request->m_context = WebURLRequest::RequestContextFetch;
     request->m_mode = m_mode;
     request->m_credentials = m_credentials;
     // "2. Return |r|."
     return request;
 }
 
 FetchRequestData* FetchRequestData::createCopy() const
 {
     FetchRequestData* request = FetchRequestData::create();
@@ skipping 27 matching lines @@
     , m_responseTainting(BasicTainting)
 {
 }
 
 void FetchRequestData::trace(Visitor* visitor)
 {
     visitor->trace(m_headerList);
 }
 
 } // namespace blink