Bug 1217152 - disable insecure password warning and enable autofill on HTTP pages for password manager tests using pwmgr_common.js. r=MattN

MozReview-Commit-ID: JfjTNOcKwLQ

--HG--
extra : rebase_source : 5d1410be854101cb57056c9456165636925de4ac

toolkit/components/passwordmgr/test/pwmgr_common.js

@@ -436,7 +436,10 @@ if (this.addMessageListener) {
   });
 } else {
   // Code to only run in the mochitest pages (not in the chrome script).
-  SpecialPowers.pushPrefEnv({"set": [["signon.rememberSignons", true]]});
+  SpecialPowers.pushPrefEnv({"set": [["signon.rememberSignons", true],
+                                     ["signon.autofillForms.http", true],
+                                     ["security.insecure_field_warning.contextual.enabled", false]]
+                           });
   SimpleTest.registerCleanupFunction(() => {
     SpecialPowers.popPrefEnv();
     runInParent(function cleanupParent() {