IndexedDB: Prevent store/index deletion from racing ahead of use

content/browser/indexed_db/indexed_db_fake_backing_store.cc

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/browser/indexed_db/indexed_db_fake_backing_store.h"
 
 #include "base/files/file_path.h"
 #include "base/memory/scoped_ptr.h"
 
 namespace content {
@@ skipping 49 matching lines @@
   return leveldb::Status::OK();
 }
 
 leveldb::Status IndexedDBFakeBackingStore::CreateObjectStore(
     Transaction*,
     int64 database_id,
     int64 object_store_id,
     const base::string16& name,
     const IndexedDBKeyPath&,
     bool auto_increment) {
-  return leveldb::Status::IOError("test error");
+  return leveldb::Status::OK();
 }
 
 leveldb::Status IndexedDBFakeBackingStore::ClearObjectStore(
     Transaction*,
     int64 database_id,
     int64 object_store_id) {
-  return leveldb::Status::IOError("test error");
+  return leveldb::Status::OK();
 }
 leveldb::Status IndexedDBFakeBackingStore::DeleteRecord(
     Transaction*,
     int64 database_id,
     int64 object_store_id,
     const RecordIdentifier&) {
-  return leveldb::Status::IOError("test error");
+  return leveldb::Status::OK();
 }
 leveldb::Status IndexedDBFakeBackingStore::GetKeyGeneratorCurrentNumber(
     Transaction*,
     int64 database_id,
     int64 object_store_id,
     int64* current_number) {
   return leveldb::Status::OK();
 }
 leveldb::Status IndexedDBFakeBackingStore::MaybeUpdateKeyGeneratorCurrentNumber(
     Transaction*,
@@ skipping 15 matching lines @@
 
 leveldb::Status IndexedDBFakeBackingStore::CreateIndex(
     Transaction*,
     int64 database_id,
     int64 object_store_id,
     int64 index_id,
     const base::string16& name,
     const IndexedDBKeyPath&,
     bool is_unique,
     bool is_multi_entry) {
-  return leveldb::Status::IOError("test error");
+  return leveldb::Status::OK();
 }
 
 leveldb::Status IndexedDBFakeBackingStore::DeleteIndex(Transaction*,
                                                        int64 database_id,
                                                        int64 object_store_id,
                                                        int64 index_id) {
-  return leveldb::Status::IOError("test error");
+  return leveldb::Status::OK();
 }
 leveldb::Status IndexedDBFakeBackingStore::PutIndexDataForRecord(
     Transaction*,
     int64 database_id,
     int64 object_store_id,
     int64 index_id,
     const IndexedDBKey&,
     const RecordIdentifier&) {
-  return leveldb::Status::IOError("test error");
+  return leveldb::Status::OK();
 }
 
 void IndexedDBFakeBackingStore::ReportBlobUnused(int64 database_id,
                                                  int64 blob_key) {}
 
 scoped_ptr<IndexedDBBackingStore::Cursor>
 IndexedDBFakeBackingStore::OpenObjectStoreKeyCursor(
     IndexedDBBackingStore::Transaction* transaction,
     int64 database_id,
     int64 object_store_id,
@@ skipping 40 matching lines @@
 void IndexedDBFakeBackingStore::FakeTransaction::Begin() {}
 leveldb::Status IndexedDBFakeBackingStore::FakeTransaction::Commit() {
   if (result_)
     return leveldb::Status::OK();
   else
     return leveldb::Status::IOError("test error");
 }
 void IndexedDBFakeBackingStore::FakeTransaction::Rollback() {}
 
 }  // namespace content