Indexed DB: Remove vendor prefix removal from tests

LayoutTests/storage/indexeddb/resources/shared.js

 var jsTestIsAsync = true;
 if (self.importScripts && !self.postMessage) {
     // Shared worker.  Make postMessage send to the newest client, which in
     // our tests is the only client.
 
     // Store messages for sending until we have somewhere to send them.
     self.postMessage = function(message)
     {
         if (typeof self.pendingMessages === "undefined")
             self.pendingMessages = [];
         self.pendingMessages.push(message);
     };
     self.onconnect = function(event)
     {
         self.postMessage = function(message)
         {
             event.ports[0].postMessage(message);
         };
         // Offload any stored messages now that someone has connected to us.
         if (typeof self.pendingMessages === "undefined")
             return;
         while (self.pendingMessages.length)
             event.ports[0].postMessage(self.pendingMessages.shift());
     };
 }
 
-function removeVendorPrefixes()
-{
-    indexedDB = evalAndLog("indexedDB = self.indexedDB || self.webkitIndexedDB || self.mozIndexedDB || self.msIndexedDB || self.OIndexedDB;");
-    debug("");
-}
-
 function unexpectedSuccessCallback()
 {
     testFailed("Success function called unexpectedly.");
     finishJSTest();
 }
 
 function unexpectedErrorCallback(event)
 {
     testFailed("Error function called unexpectedly: (" + event.target.error.name + ") " + event.target.error.message);
     finishJSTest();
@@ skipping 121 matching lines @@
         ABORT_ERR: 20,
         URL_MISMATCH_ERR: 21,
         QUOTA_EXCEEDED_ERR: 22,
         TIMEOUT_ERR: 23,
         INVALID_NODE_TYPE_ERR: 24,
         DATA_CLONE_ERR: 25
     };
 }
 
 function indexedDBTest(upgradeCallback, optionalOpenCallback, optionalParameters) {
-    removeVendorPrefixes();
     if (optionalParameters && 'suffix' in optionalParameters) {
         setDBNameFromPath(optionalParameters['suffix']);
     } else {
         setDBNameFromPath();
     }
     var deleteRequest = evalAndLog("indexedDB.deleteDatabase(dbname)");
     deleteRequest.onerror = unexpectedErrorCallback;
     deleteRequest.onblocked = unexpectedBlockedCallback;
     deleteRequest.onsuccess = function() {
         self.openRequest = null;
@@ skipping 23 matching lines @@
 
     requests.forEach(function(req) {
         req.onsuccess = function() {
             --count;
             if (!count)
                 callback(requests);
         };
         req.onerror = unexpectedErrorCallback;
     });
 }