Change Lo-Fi bool to bitmask to support multiple Previews types

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 63 matching lines @@
   setSkipServiceWorker(data->m_skipServiceWorker);
   setShouldResetAppCache(data->m_shouldResetAppCache);
   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);
+  setPreviewsState(data->m_previewsState);
   m_referrerPolicy = data->m_referrerPolicy;
   m_didSetHTTPReferrer = data->m_didSetHTTPReferrer;
   m_checkForBrowserSideNavigation = data->m_checkForBrowserSideNavigation;
   m_uiStartTime = data->m_uiStartTime;
   m_isExternalRequest = data->m_isExternalRequest;
   m_inputPerfMetricReportPolicy = data->m_inputPerfMetricReportPolicy;
   m_redirectStatus = data->m_redirectStatus;
 }
 
 ResourceRequest::ResourceRequest(const ResourceRequest&) = default;
@@ skipping 27 matching lines @@
   data->m_skipServiceWorker = m_skipServiceWorker;
   data->m_shouldResetAppCache = m_shouldResetAppCache;
   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_previewsState = m_previewsState;
   data->m_referrerPolicy = m_referrerPolicy;
   data->m_didSetHTTPReferrer = m_didSetHTTPReferrer;
   data->m_checkForBrowserSideNavigation = m_checkForBrowserSideNavigation;
   data->m_uiStartTime = m_uiStartTime;
   data->m_isExternalRequest = m_isExternalRequest;
   data->m_inputPerfMetricReportPolicy = m_inputPerfMetricReportPolicy;
   data->m_redirectStatus = m_redirectStatus;
   return data;
 }
 
@@ skipping 251 matching lines @@
   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_previewsState = WebURLRequest::PreviewsState::PreviewsUnspecified;
   m_didSetHTTPReferrer = false;
   m_checkForBrowserSideNavigation = true;
   m_uiStartTime = 0;
   m_isExternalRequest = false;
   m_inputPerfMetricReportPolicy = InputToLoadPerfMetricReportPolicy::NoReport;
   m_redirectStatus = RedirectStatus::NoRedirect;
   m_requestorOrigin = SecurityOrigin::createUnique();
 }
 
 bool ResourceRequest::needsHTTPOrigin() const {
   if (!httpOrigin().isEmpty())
     return false;  // Request already has an Origin header.
 
   // Don't send an Origin header for GET or HEAD to avoid privacy issues.
   // For example, if an intranet page has a hyperlink to an external web
   // site, we don't want to include the Origin of the request because it
   // will leak the internal host name. Similar privacy concerns have lead
   // to the widespread suppression of the Referer header at the network
   // layer.
   if (httpMethod() == HTTPNames::GET || httpMethod() == HTTPNames::HEAD)
     return false;
 
   // For non-GET and non-HEAD methods, always send an Origin header so the
   // server knows we support this feature.
   return true;
 }
 
 }  // namespace blink