Set referrer for CSS resources

Source/core/css/CSSFontFaceSrcValue.h

Index: Source/core/css/CSSFontFaceSrcValue.h
diff --git a/Source/core/css/CSSFontFaceSrcValue.h b/Source/core/css/CSSFontFaceSrcValue.h
index c908d2736038bb4209f5efc353036d2cbed94481..83f26f7ee64909df7100823f5434e85107ce5bd0 100644
--- a/Source/core/css/CSSFontFaceSrcValue.h
+++ b/Source/core/css/CSSFontFaceSrcValue.h
@@ -28,6 +28,7 @@
 
 #include "core/css/CSSValue.h"
 #include "core/fetch/ResourcePtr.h"
+#include "platform/weborigin/Referrer.h"
 #include "wtf/PassRefPtr.h"
 #include "wtf/text/WTFString.h"
 
@@ -53,6 +54,7 @@ public:
     bool isLocal() const { return m_isLocal; }
 
     void setFormat(const String& format) { m_format = format; }
+    void setReferrer(const Referrer& referrer) { m_referrer = referrer; }
 
     bool isSupportedFormat() const;
 
@@ -89,6 +91,7 @@ private:
 
     String m_resource;
     String m_format;
+    Referrer m_referrer;
     bool m_isLocal;
 
     ResourcePtr<FontResource> m_fetched;