Add link preload as=document support

third_party/WebKit/Source/platform/network/ResourceRequest.cpp

 /*
  * Copyright (C) 2003, 2006 Apple Computer, Inc.  All rights reserved.
  * Copyright (C) 2009, 2012 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:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
@@ skipping 59 matching lines @@
 
     setHTTPBody(data->m_httpBody);
     setAttachedCredential(data->m_attachedCredential);
     setAllowStoredCredentials(data->m_allowStoredCredentials);
     setReportUploadProgress(data->m_reportUploadProgress);
     setHasUserGesture(data->m_hasUserGesture);
     setDownloadToFile(data->m_downloadToFile);
     setUseStreamOnResponse(data->m_useStreamOnResponse);
     setSkipServiceWorker(data->m_skipServiceWorker);
     setShouldResetAppCache(data->m_shouldResetAppCache);
+    setLinkPreload(data->m_isLinkPreload);
     setRequestorID(data->m_requestorID);
     setRequestorProcessID(data->m_requestorProcessID);
     setAppCacheHostID(data->m_appCacheHostID);
     setRequestContext(data->m_requestContext);
     setFrameType(data->m_frameType);
     setFetchRequestMode(data->m_fetchRequestMode);
     setFetchCredentialsMode(data->m_fetchCredentialsMode);
     setFetchRedirectMode(data->m_fetchRedirectMode);
     setLoFiState(data->m_loFiState);
     m_referrerPolicy = data->m_referrerPolicy;
@@ skipping 26 matching lines @@
         data->m_httpBody = m_httpBody->deepCopy();
     if (m_attachedCredential)
         data->m_attachedCredential = m_attachedCredential->deepCopy();
     data->m_allowStoredCredentials = m_allowStoredCredentials;
     data->m_reportUploadProgress = m_reportUploadProgress;
     data->m_hasUserGesture = m_hasUserGesture;
     data->m_downloadToFile = m_downloadToFile;
     data->m_useStreamOnResponse = m_useStreamOnResponse;
     data->m_skipServiceWorker = m_skipServiceWorker;
     data->m_shouldResetAppCache = m_shouldResetAppCache;
+    data->m_isLinkPreload = m_isLinkPreload;
     data->m_requestorID = m_requestorID;
     data->m_requestorProcessID = m_requestorProcessID;
     data->m_appCacheHostID = m_appCacheHostID;
     data->m_requestContext = m_requestContext;
     data->m_frameType = m_frameType;
     data->m_fetchRequestMode = m_fetchRequestMode;
     data->m_fetchCredentialsMode = m_fetchCredentialsMode;
     data->m_fetchRedirectMode = m_fetchRedirectMode;
     data->m_loFiState = m_loFiState;
     data->m_referrerPolicy = m_referrerPolicy;
@@ skipping 287 matching lines @@
     m_timeoutInterval = s_defaultTimeoutInterval;
     m_httpMethod = HTTPNames::GET;
     m_allowStoredCredentials = true;
     m_reportUploadProgress = false;
     m_reportRawHeaders = false;
     m_hasUserGesture = false;
     m_downloadToFile = false;
     m_useStreamOnResponse = false;
     m_skipServiceWorker = WebURLRequest::SkipServiceWorker::None;
     m_shouldResetAppCache = false;
+    m_isLinkPreload = false;
     m_priority = ResourceLoadPriorityLowest;
     m_intraPriorityValue = 0;
     m_requestorID = 0;
     m_requestorProcessID = 0;
     m_appCacheHostID = 0;
     m_requestContext = WebURLRequest::RequestContextUnspecified;
     m_frameType = WebURLRequest::FrameTypeNone;
     m_fetchRequestMode = WebURLRequest::FetchRequestModeNoCORS;
     m_fetchCredentialsMode = WebURLRequest::FetchCredentialsModeInclude;
     m_fetchRedirectMode = WebURLRequest::FetchRedirectModeFollow;
     m_referrerPolicy = ReferrerPolicyDefault;
     m_loFiState = WebURLRequest::LoFiUnspecified;
     m_didSetHTTPReferrer = false;
     m_checkForBrowserSideNavigation = true;
     m_uiStartTime = 0;
     m_isExternalRequest = false;
     m_inputPerfMetricReportPolicy = InputToLoadPerfMetricReportPolicy::NoReport;
     m_redirectStatus = RedirectStatus::NoRedirect;
     m_requestorOrigin = SecurityOrigin::createUnique();
 }
 
 } // namespace blink