Teach the preload scanner about the 'nonce' attribute.

third_party/WebKit/Source/core/html/parser/PreloadRequest.cpp

 // Copyright 2015 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 "core/html/parser/PreloadRequest.h"
 
 #include "core/dom/Document.h"
 #include "core/fetch/FetchInitiatorInfo.h"
 #include "core/fetch/ResourceFetcher.h"
 #include "platform/CrossOriginAttributeValue.h"
@@ skipping 29 matching lines @@
     if (m_resourceType == Resource::ImportResource) {
         SecurityOrigin* securityOrigin = document->contextDocument()->getSecurityOrigin();
         request.setCrossOriginAccessControl(securityOrigin, CrossOriginAttributeAnonymous);
     }
     if (m_crossOrigin != CrossOriginAttributeNotSet)
         request.setCrossOriginAccessControl(document->getSecurityOrigin(), m_crossOrigin);
     request.setDefer(m_defer);
     request.setResourceWidth(m_resourceWidth);
     request.clientHintsPreferences().updateFrom(m_clientHintsPreferences);
     request.setIntegrityMetadata(m_integrityMetadata);
+    request.setContentSecurityPolicyNonce(m_nonce);
 
     if (m_requestType == RequestTypeLinkRelPreload)
         request.setLinkPreload(true);
     return request;
 }
 
 } // namespace blink