diff -r 000000000000 -r 6474c204b198 docshell/base/nsWebNavigationInfo.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/docshell/base/nsWebNavigationInfo.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/. */
+
+#ifndef nsWebNavigationInfo_h__
+#define nsWebNavigationInfo_h__
+
+#include "nsIWebNavigationInfo.h"
+#include "nsCOMPtr.h"
+#include "nsICategoryManager.h"
+#include "mozilla/Attributes.h"
+
+class nsCString;
+
+// Class ID for webnavigationinfo
+#define NS_WEBNAVIGATION_INFO_CID \
+ { 0xf30bc0a2, 0x958b, 0x4287,{0xbf, 0x62, 0xce, 0x38, 0xba, 0x0c, 0x81, 0x1e}}
+
+class nsWebNavigationInfo MOZ_FINAL : public nsIWebNavigationInfo
+{
+public:
+  nsWebNavigationInfo() {}
+  
+  NS_DECL_ISUPPORTS
+
+  NS_DECL_NSIWEBNAVIGATIONINFO
+
+  nsresult Init();
+
+private:
+  ~nsWebNavigationInfo() {}
+  
+  // Check whether aType is supported.  If this method throws, the
+  // value of aIsSupported is not changed.
+  nsresult IsTypeSupportedInternal(const nsCString& aType,
+                                   uint32_t* aIsSupported);
+  
+  nsCOMPtr<nsICategoryManager> mCategoryManager;
+};
+
+#endif  // nsWebNavigationInfo_h__