Issue #325 Part 1: Remove the legacy non-IDNA2008 code path from nsIDNService.

netwerk/dns/nsIDNService.h

@@ -12,12 +12,7 @@
 #include "nsUnicodeScriptCodes.h"
 #include "nsWeakReference.h"
 
-#ifdef IDNA2008
 #include "unicode/uidna.h"
-#else
-#include "nsIUnicodeNormalizer.h"
-#include "nsIDNKitInterface.h"
-#endif
 
 #include "nsString.h"
 
@@ -151,7 +146,6 @@ private:
   bool illegalScriptCombo(mozilla::unicode::Script script,
                           int32_t& savedScript);
 
-#ifdef IDNA2008
   /**
    * Convert a DNS label from ASCII to Unicode using IDNA2008
    */
@@ -164,10 +158,6 @@ private:
                               stringPrepFlag flag);
 
   UIDNA* mIDNA;
-#else
-  idn_nameprep_t mNamePrepHandle;
-  nsCOMPtr<nsIUnicodeNormalizer> mNormalizer;
-#endif
   nsXPIDLString mIDNBlacklist;
 
   /**