diff -r 000000000000 -r 6474c204b198 netwerk/mime/nsMIMEHeaderParamImpl.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/netwerk/mime/nsMIMEHeaderParamImpl.h	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,42 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "nsIMIMEHeaderParam.h"
+
+#ifndef __nsmimeheaderparamimpl_h___
+#define __nsmimeheaderparamimpl_h___
+class nsMIMEHeaderParamImpl : public nsIMIMEHeaderParam
+{
+public:
+  NS_DECL_ISUPPORTS
+  NS_DECL_NSIMIMEHEADERPARAM
+
+  nsMIMEHeaderParamImpl() {}
+  virtual ~nsMIMEHeaderParamImpl() {}
+private:
+  enum ParamDecoding {
+    MIME_FIELD_ENCODING = 1,
+    HTTP_FIELD_ENCODING
+  }; 
+
+  nsresult DoGetParameter(const nsACString& aHeaderVal, 
+                          const char *aParamName,
+                          ParamDecoding aDecoding,
+                          const nsACString& aFallbackCharset, 
+                          bool aTryLocaleCharset, 
+                          char **aLang, 
+                          nsAString& aResult);
+
+  nsresult DoParameterInternal(const char *aHeaderValue, 
+                               const char *aParamName,
+                               ParamDecoding aDecoding,
+                               char **aCharset,
+                               char **aLang,
+                               char **aResult);
+
+};
+
+#endif 
+