Remove IndexedDB experimental features flag.

third_party/WebKit/Source/modules/indexeddb/IDBIndex.cpp

 /*
  * Copyright (C) 2010 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
  * 2.  Redistributions in binary form must reproduce the above copyright
@@ skipping 47 matching lines @@
 }
 
 IDBIndex::~IDBIndex() {}
 
 DEFINE_TRACE(IDBIndex) {
   visitor->trace(m_objectStore);
   visitor->trace(m_transaction);
 }
 
 void IDBIndex::setName(const String& name, ExceptionState& exceptionState) {
-  if (!RuntimeEnabledFeatures::indexedDBExperimentalEnabled())
-    return;
-
   IDB_TRACE("IDBIndex::setName");
   if (!m_transaction->isVersionChange()) {
     exceptionState.throwDOMException(
         InvalidStateError,
         IDBDatabase::notVersionChangeTransactionErrorMessage);
     return;
   }
   if (isDeleted()) {
     exceptionState.throwDOMException(InvalidStateError,
                                      IDBDatabase::indexDeletedErrorMessage);
@@ skipping 292 matching lines @@
                       maxCount, keyOnly,
                       request->createWebCallbacks().release());
   return request;
 }
 
 WebIDBDatabase* IDBIndex::backendDB() const {
   return m_transaction->backendDB();
 }
 
 }  // namespace blink