Bug 1071259 - Clear the loop.hawk-session-token.fxa pref on shutdown to workaround bug 1071247. r=jaws

--HG--
extra : rebase_source : 49df694bae7a03d07552a47615b2711d076b8f43

browser/components/nsBrowserGlue.js

@@ -741,6 +741,10 @@ BrowserGlue.prototype = {
 #endif
     webrtcUI.uninit();
     FormValidationHandler.uninit();
+
+    // XXX: Temporary hack to allow Loop FxA login after a restart to work.
+    // Remove this once bug 1071247 is deployed.
+    Services.prefs.clearUserPref("loop.hawk-session-token.fxa");
   },
 
   // All initial windows have opened.