Bug 424594 - have talos comply with the new file:// security restrictions p=anodelman r=rcampbell

testing/performance/talos/sample.config

@@ -23,6 +23,7 @@ init_url: getInfo.html
 
 # Preferences to set in the test (use "preferences : {}" for no prefs)
 preferences : 
+  security.fileuri.strict_origin_policy : false
   browser.shell.checkDefaultBrowser : false
   browser.warnOnQuit : false
   browser.link.open_newwindow : 2