Increasing reftest timeout to 120 seconds, because Linux boxes are perma-orange. Tracking in bug 425987.

layout/tools/reftest/reftest.js

@@ -51,7 +51,7 @@ const NS_SCRIPTSECURITYMANAGER_CONTRACTID =
 const NS_REFTESTHELPER_CONTRACTID =
           "@mozilla.org/reftest-helper;1";
 
-const LOAD_FAILURE_TIMEOUT = 90000; // ms
+const LOAD_FAILURE_TIMEOUT = 120000; // ms
 
 var gBrowser;
 var gCanvas1, gCanvas2;