Bug 921959 - Re-enable nsIWebNavigation::reload(LOAD_FLAGS_ALLOW_MIXED_CONTENT) tests for e10s. r=billm

browser/base/content/test/general/browser.ini

@@ -268,13 +268,11 @@ skip-if = e10s # Bug 916974 - Session history doesn't work in e10s
 [browser_bug817947.js]
 skip-if = e10s # Bug 916974 - Session history doesn't work in e10s
 [browser_bug822367.js]
-skip-if = e10s # Bug 921959 - reload with LOAD_FLAGS_ALLOW_MIXED_CONTENT fails in e10s
 [browser_bug832435.js]
 [browser_bug839103.js]
 [browser_bug880101.js]
 [browser_bug882977.js]
 [browser_bug902156.js]
-skip-if = e10s # Bug 921959 - reload with LOAD_FLAGS_ALLOW_MIXED_CONTENT fails in e10s
 [browser_bug906190.js]
 skip-if = buildapp == "mulet" || e10s # Bug ?????? - test directly manipulates content (strange - gets an element from a child which it tries to treat as a string, but that fails)
 [browser_bug970746.js]