Indexed DB: Remove vendor prefix removal from tests

LayoutTests/storage/indexeddb/resources/shared.js

Index: LayoutTests/storage/indexeddb/resources/shared.js
diff --git a/LayoutTests/storage/indexeddb/resources/shared.js b/LayoutTests/storage/indexeddb/resources/shared.js
index 4ac0ccaefdfe3bd0e80491e127f7767d1ac3890d..94010bb6b5005e845042f3ec8171320ac6e9953b 100644
--- a/LayoutTests/storage/indexeddb/resources/shared.js
+++ b/LayoutTests/storage/indexeddb/resources/shared.js
@@ -24,12 +24,6 @@ if (self.importScripts && !self.postMessage) {
     };
 }
 
-function removeVendorPrefixes()
-{
-    indexedDB = evalAndLog("indexedDB = self.indexedDB || self.webkitIndexedDB || self.mozIndexedDB || self.msIndexedDB || self.OIndexedDB;");
-    debug("");
-}
-
 function unexpectedSuccessCallback()
 {
     testFailed("Success function called unexpectedly.");
@@ -171,7 +165,6 @@ if (!self.DOMException) {
 }
 
 function indexedDBTest(upgradeCallback, optionalOpenCallback, optionalParameters) {
-    removeVendorPrefixes();
     if (optionalParameters && 'suffix' in optionalParameters) {
         setDBNameFromPath(optionalParameters['suffix']);
     } else {