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

third_party/WebKit/Source/platform/exported/WebURLRequest.cpp

Index: third_party/WebKit/Source/platform/exported/WebURLRequest.cpp
diff --git a/third_party/WebKit/Source/platform/exported/WebURLRequest.cpp b/third_party/WebKit/Source/platform/exported/WebURLRequest.cpp
index 64427b439b7c5964ded8ee34eebcc7a6166cd131..0364dad38d08c685da101817cbd8b19ce0081867 100644
--- a/third_party/WebKit/Source/platform/exported/WebURLRequest.cpp
+++ b/third_party/WebKit/Source/platform/exported/WebURLRequest.cpp
@@ -347,12 +347,13 @@ void WebURLRequest::setFetchRedirectMode(
   return m_resourceRequest->setFetchRedirectMode(redirect);
 }
 
-WebURLRequest::LoFiState WebURLRequest::getLoFiState() const {
-  return m_resourceRequest->loFiState();
+WebURLRequest::PreviewsState WebURLRequest::getPreviewsState() const {
+  return m_resourceRequest->previewsState();
 }
 
-void WebURLRequest::setLoFiState(WebURLRequest::LoFiState loFiState) {
-  return m_resourceRequest->setLoFiState(loFiState);
+void WebURLRequest::setPreviewsState(
+    WebURLRequest::PreviewsState previewsState) {
+  return m_resourceRequest->setPreviewsState(previewsState);
 }
 
 WebURLRequest::ExtraData* WebURLRequest::getExtraData() const {