DevTools: expose linkPreload bit on the network request.

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/loader/DocumentLoader.h"
 #include "platform/CrossOriginAttributeValue.h"
 #include "platform/loader/fetch/FetchInitiatorInfo.h"
@@ skipping 25 matching lines @@
 
   const KURL& url = completeURL(document);
   // Data URLs are filtered out in the preload scanner.
   DCHECK(!url.protocolIsData());
 
   ResourceRequest resourceRequest(url);
   resourceRequest.setHTTPReferrer(SecurityPolicy::generateReferrer(
       m_referrerPolicy, url, document->outgoingReferrer()));
   resourceRequest.setRequestContext(
       ResourceFetcher::determineRequestContext(m_resourceType, false));
+  if (m_requestType == RequestTypeLinkRelPreload)
+    resourceRequest.setLinkPreload(true);
+  resourceRequest.setSpeculativePreload(true, m_discoveryTime);
 
   FetchRequest request(resourceRequest, initiatorInfo);
 
   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);
   request.setParserDisposition(ParserInserted);
 
-  if (m_requestType == RequestTypeLinkRelPreload)
-    request.setLinkPreload(true);
-
   if (m_resourceType == Resource::Script ||
       m_resourceType == Resource::CSSStyleSheet ||
       m_resourceType == Resource::ImportResource) {
     request.setCharset(
         m_charset.isEmpty() ? document->characterSet().getString() : m_charset);
   }
-  request.setSpeculativePreload(true, m_discoveryTime);
 
   return document->loader()->startPreload(m_resourceType, request);
 }
 
 }  // namespace blink