DevTools: expose linkPreload bit on the network request

third_party/WebKit/Source/core/inspector/InspectorNetworkAgent.cpp

 /*
  * Copyright (C) 2011 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 619 matching lines @@
       initiatorObject = it->value->clone();
   }
 
   std::unique_ptr<protocol::Network::Request> requestInfo(
       buildObjectForResourceRequest(request));
 
   requestInfo->setMixedContentType(mixedContentTypeForContextType(
       MixedContentChecker::contextTypeForInspector(frame, request)));
 
   requestInfo->setReferrerPolicy(referrerPolicy(request.getReferrerPolicy()));
+  if (initiatorInfo.isLinkPreload)
+    requestInfo->setIsLinkPreload(true);
 
   String resourceType = InspectorPageAgent::resourceTypeJson(type);
   frontend()->requestWillBeSent(
       requestId, frameId, loaderId,
       urlWithoutFragment(loader->url()).getString(), std::move(requestInfo),
       monotonicallyIncreasingTime(), currentTime(), std::move(initiatorObject),
       buildObjectForResourceResponse(redirectResponse), resourceType);
   if (m_pendingXHRReplayData && !m_pendingXHRReplayData->async())
     frontend()->flush();
 }
@@ skipping 896 matching lines @@
           TaskRunnerHelper::get(TaskType::UnspecedLoading,
                                 inspectedFrames->root()),
           this,
           &InspectorNetworkAgent::removeFinishedReplayXHRFired) {}
 
 bool InspectorNetworkAgent::shouldForceCORSPreflight() {
   return m_state->booleanProperty(NetworkAgentState::cacheDisabled, false);
 }
 
 }  // namespace blink