minor safety check added (prebid#3543)

* Adding files associated with the trion adapter update to the newest prebid version(1.0).

* Updating pull request with safer checks for user sync and general clean up/consistency of tests.

* removing a call to bidder code for pull request review.  also removing the test that requires it

* there were some changes to the bid factory after our initial release that we didn't account for.  Changing adapter to account for response body and required params.

* Revert "there were some changes to the bid factory after our initial release that we didn't account for.  Changing adapter to account for response body and required params."

This reverts commit 324d157.

* there were some changes to the bid factory after our initial release that we didn't account for.  Changing adapter to account for response body and required params.

* adding safety checks to Trion adapter

Author: grohm33

modules/trionBidAdapter.js

@@ -147,7 +147,7 @@ export function setStorageData(key, item) {
 
 export function acceptPostMessage(e) {
   var message = e.data || '';
-  if (message.indexOf(BASE_KEY + 'userId') !== 0) {
+  if (!message.indexOf || !message.split || message.indexOf(BASE_KEY + 'userId') !== 0) {
     return;
   }
   var intT = message.split(BASE_KEY + 'userId=')[1];