Bug 994216 - ensure desktop INI file parent directory exists to fix bustage on CLOSED TREE; r=marco"

--HG--
extra : amend_source : d72cf290cc27d2cc6baa3d68611192167c45fd8f

toolkit/webapps/LinuxNativeApp.js

@@ -277,6 +277,9 @@ NativeApp.prototype = {
 
     // $XDG_DATA_HOME/applications/owa-<webappuniquename>.desktop
     let desktopINIfile = getFile(this.desktopINI);
+    if (desktopINIfile.parent && !desktopINIfile.parent.exists()) {
+      desktopINIfile.parent.create(Ci.nsIFile.DIRECTORY_TYPE, PERMS_DIRECTORY);
+    }
 
     let writer = Cc["@mozilla.org/xpcom/ini-processor-factory;1"].
                  getService(Ci.nsIINIParserFactory).