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

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

Index: third_party/WebKit/Source/platform/network/ResourceRequest.cpp
diff --git a/third_party/WebKit/Source/platform/network/ResourceRequest.cpp b/third_party/WebKit/Source/platform/network/ResourceRequest.cpp
index ce12ef55c1e7bafec062907fe821139e316879ac..8ff39e26ddbac25d86e657c8013b6566c255636b 100644
--- a/third_party/WebKit/Source/platform/network/ResourceRequest.cpp
+++ b/third_party/WebKit/Source/platform/network/ResourceRequest.cpp
@@ -81,7 +81,7 @@ ResourceRequest::ResourceRequest(CrossThreadResourceRequestData* data)
   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;
@@ -129,7 +129,7 @@ std::unique_ptr<CrossThreadResourceRequestData> ResourceRequest::copyData()
   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;
@@ -401,7 +401,7 @@ void ResourceRequest::initialize(const KURL& url) {
   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;