diff -r 000000000000 -r 6474c204b198 uriloader/exthandler/mac/nsOSHelperAppService.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/uriloader/exthandler/mac/nsOSHelperAppService.h	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,48 @@
+/* -*- Mode: C++; tab-width: 3; 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 nsOSHelperAppService_h__
+#define nsOSHelperAppService_h__
+
+// The OS helper app service is a subclass of nsExternalHelperAppService and is implemented on each
+// platform. It contains platform specific code for finding helper applications for a given mime type
+// in addition to launching those applications. This is the Mac version.
+
+#include "nsExternalHelperAppService.h"
+#include "nsCExternalHandlerService.h"
+#include "nsMIMEInfoImpl.h"
+#include "nsCOMPtr.h"
+
+class nsOSHelperAppService : public nsExternalHelperAppService
+{
+public:
+  nsOSHelperAppService();
+  virtual ~nsOSHelperAppService();
+
+  // override nsIExternalProtocolService methods
+  NS_IMETHOD GetApplicationDescription(const nsACString& aScheme, nsAString& _retval);
+  
+  // method overrides --> used to hook the mime service into internet config....
+  NS_IMETHOD GetFromTypeAndExtension(const nsACString& aType, const nsACString& aFileExt, nsIMIMEInfo ** aMIMEInfo);
+  already_AddRefed<nsIMIMEInfo> GetMIMEInfoFromOS(const nsACString& aMIMEType, const nsACString& aFileExt, bool * aFound);
+  NS_IMETHOD GetProtocolHandlerInfoFromOS(const nsACString &aScheme,
+                                          bool *found,
+                                          nsIHandlerInfo **_retval);
+
+  // GetFileTokenForPath must be implemented by each platform. 
+  // platformAppPath --> a platform specific path to an application that we got out of the 
+  //                     rdf data source. This can be a mac file spec, a unix path or a windows path depending on the platform
+  // aFile --> an nsIFile representation of that platform application path.
+  virtual nsresult GetFileTokenForPath(const char16_t * platformAppPath, nsIFile ** aFile);
+
+  nsresult OSProtocolHandlerExists(const char * aScheme,
+                                   bool * aHandlerExists);
+
+private:
+  uint32_t mPermissions;
+};
+
+#endif // nsOSHelperAppService_h__