diff -r a63d609f5ebe -r ac0c01689b40 widget/xpwidgets/nsTransferable.h
--- a/widget/xpwidgets/nsTransferable.h	Thu Jan 15 15:55:04 2015 +0100
+++ b/widget/xpwidgets/nsTransferable.h	Thu Jan 15 15:59:08 2015 +0100
@@ -28,6 +28,7 @@
   
   const nsCString& GetFlavor() const { return mFlavor; }
   void SetData( nsISupports* inData, uint32_t inDataLen );
+  void SetData( nsISupports* inData, uint32_t inDataLen, bool inPrivBrowse );
   void GetData( nsISupports** outData, uint32_t *outDataLen );
   already_AddRefed<nsIFile> GetFileSpec(const char* aFileName);
   bool IsDataAvailable() const { return (mData && mDataLen > 0) || (!mData && mCacheFileName); }