Set referrer for CSS resources

Source/core/html/HTMLTableElement.cpp

Index: Source/core/html/HTMLTableElement.cpp
diff --git a/Source/core/html/HTMLTableElement.cpp b/Source/core/html/HTMLTableElement.cpp
index f0a0a206d881e96ac43df5e66f24a2ab606b58b8..37bcd7abf7a8d07da0175468c65ae8394408ba2f 100644
--- a/Source/core/html/HTMLTableElement.cpp
+++ b/Source/core/html/HTMLTableElement.cpp
@@ -44,6 +44,7 @@
 #include "core/html/HTMLTableSectionElement.h"
 #include "core/html/parser/HTMLParserIdioms.h"
 #include "core/rendering/RenderTable.h"
+#include "platform/weborigin/Referrer.h"
 #include "wtf/StdLibExtras.h"
 
 namespace WebCore {
@@ -311,8 +312,11 @@ void HTMLTableElement::collectStyleForPresentationAttribute(const QualifiedName&
         addHTMLColorToStyle(style, CSSPropertyBackgroundColor, value);
     else if (name == backgroundAttr) {
         String url = stripLeadingAndTrailingHTMLSpaces(value);
-        if (!url.isEmpty())
-            style->setProperty(CSSProperty(CSSPropertyBackgroundImage, CSSImageValue::create(url, document().completeURL(url))));
+        if (!url.isEmpty()) {
+            RefPtrWillBeRawPtr<CSSImageValue> imageValue = CSSImageValue::create(url, document().completeURL(url));
+            imageValue->setReferrer(Referrer(document().outgoingReferrer(), document().referrerPolicy()));
+            style->setProperty(CSSProperty(CSSPropertyBackgroundImage, imageValue.release()));
+        }
     } else if (name == valignAttr) {
         if (!value.isEmpty())
             addPropertyToPresentationAttributeStyle(style, CSSPropertyVerticalAlign, value);