Index: include/AdblockPlus/ReferrerMapping.h
===================================================================
--- a/include/AdblockPlus/ReferrerMapping.h
+++ b/include/AdblockPlus/ReferrerMapping.h
@@ -22,6 +22,7 @@
 #include <map>
 #include <string>
 #include <vector>
+#include "FilterEngine.h"
 
 namespace AdblockPlus
 {
@@ -46,8 +47,10 @@
      * Records the refferer for a URL.
      * @param url Request URL.
      * @param referrer Request referrer.
+     * @param requestType Request type.
      */
-    void Add(const std::string& url, const std::string& referrer);
+    void Add(const std::string& url, const std::string& referrer,
+      FilterEngine::ContentType requestType);
 
     /**
      * Builds a chain of referrers for the supplied URL.
@@ -59,7 +62,16 @@
 
   private:
     const int maxCachedUrls;
-    std::map<std::string, std::string> mapping;
+    struct RequestInfo
+    {
+      RequestInfo(const std::string& referrerArg, FilterEngine::ContentType typeArg)
+        : referrer(referrerArg) , type(typeArg)
+      {
+      }
+      std::string referrer;
+      FilterEngine::ContentType type;
+    };
+    std::map</*url*/std::string, RequestInfo> mapping;
     std::list<std::string> cachedUrls;
   };
 }