Indexed DB: Remove vendor prefix removal from tests

LayoutTests/storage/indexeddb/resources/database-odd-names.js

 if (this.importScripts) {
     importScripts('../../../resources/js-test.js');
     importScripts('shared.js');
 }
 
 description("Test IndexedDB odd value datatypes");
 
 function test()
 {
-    removeVendorPrefixes();
-
     testData = [{ description: 'empty string',       name: '' },
                 { description: 'null',               name: '\u0000' },
                 { description: 'faihu',              name: '\ud800\udf46' },
                 { description: 'unpaired surrogate', name: '\ud800' },
                 { description: 'fffe',               name: '\ufffe' },
                 { description: 'ffff',               name: '\uffff' },
                 { description: 'line separator',     name: '\u2028' }
     ];
     nextToOpen = 0;
     openNextDatabase();
 }
 
 function openNextDatabase()
 {
     debug("opening a database named " + testData[nextToOpen].description);
     request = evalAndLog("indexedDB.open(testData[nextToOpen].name)");
     request.onerror = unexpectedErrorCallback;
     request.onsuccess = ++nextToOpen < testData.length ? openNextDatabase : finishJSTest;
 }
 
 test();