Apply meta tag referrer policy for preloaded requests

Source/core/html/parser/PreloadRequest.cpp

Index: Source/core/html/parser/PreloadRequest.cpp
diff --git a/Source/core/html/parser/PreloadRequest.cpp b/Source/core/html/parser/PreloadRequest.cpp
index 4672710f72c5e7ff014d55f5cf7798225fc6a7fa..79ce29e02a8a58548917c8d966cc755a2f760de5 100644
--- a/Source/core/html/parser/PreloadRequest.cpp
+++ b/Source/core/html/parser/PreloadRequest.cpp
@@ -29,7 +29,9 @@ FetchRequest PreloadRequest::resourceRequest(Document* document)
     FetchInitiatorInfo initiatorInfo;
     initiatorInfo.name = AtomicString(m_initiatorName);
     initiatorInfo.position = m_initiatorPosition;
-    FetchRequest request(ResourceRequest(completeURL(document)), initiatorInfo);
+    ResourceRequest resourceRequest(completeURL(document));
+    resourceRequest.setHTTPReferrer(SecurityPolicy::generateReferrer(m_referrerPolicy, resourceRequest.url(), document->outgoingReferrer()));
+    FetchRequest request(resourceRequest, initiatorInfo);
 
     if (m_resourceType == Resource::ImportResource) {
         SecurityOrigin* securityOrigin = document->contextDocument()->securityOrigin();