indexeddb: Removed use of dangling ptr in writeBlobToFileOnIOThread.

content/browser/indexed_db/indexed_db_cleanup_on_io_error_unittest.cc

 // Copyright (c) 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 <cerrno>
 
 #include "base/files/file.h"
 #include "base/files/file_path.h"
 #include "base/files/scoped_temp_dir.h"
 #include "base/strings/string16.h"
@@ skipping 84 matching lines @@
   ON_CALL(mock_leveldb_factory, OpenLevelDB(_, _, _, _)).WillByDefault(
       Invoke(&busted_factory, &BustedLevelDBFactory::OpenLevelDB));
   ON_CALL(mock_leveldb_factory, DestroyLevelDB(_)).WillByDefault(
       Invoke(&busted_factory, &BustedLevelDBFactory::DestroyLevelDB));
 
   EXPECT_CALL(mock_leveldb_factory, OpenLevelDB(_, _, _, _)).Times(Exactly(1));
   EXPECT_CALL(mock_leveldb_factory, DestroyLevelDB(_)).Times(Exactly(1));
   blink::WebIDBDataLoss data_loss = blink::WebIDBDataLossNone;
   std::string data_loss_message;
   bool disk_full = false;
-  base::TaskRunner* task_runner = NULL;
+  base::SequencedTaskRunner* task_runner = NULL;
   bool clean_journal = false;
   leveldb::Status s;
   scoped_refptr<IndexedDBBackingStore> backing_store =
       IndexedDBBackingStore::Open(factory,
                                   origin,
                                   path,
                                   request_context,
                                   &data_loss,
                                   &data_loss_message,
                                   &disk_full,
                                   &mock_leveldb_factory,
                                   task_runner,
                                   clean_journal,
                                   &s);
 }
 
 TEST(IndexedDBNonRecoverableIOErrorTest, NuancedCleanupTest) {
   content::IndexedDBFactory* factory = NULL;
   const GURL origin("http://localhost:81");
   net::URLRequestContext* request_context = NULL;
   base::ScopedTempDir temp_directory;
   ASSERT_TRUE(temp_directory.CreateUniqueTempDir());
   const base::FilePath path = temp_directory.path();
   blink::WebIDBDataLoss data_loss =
       blink::WebIDBDataLossNone;
   std::string data_loss_reason;
   bool disk_full = false;
-  base::TaskRunner* task_runner = NULL;
+  base::SequencedTaskRunner* task_runner = NULL;
   bool clean_journal = false;
   leveldb::Status s;
 
   BustedLevelDBFactory busted_factory;
   content::MockLevelDBFactory mock_leveldb_factory;
   ON_CALL(mock_leveldb_factory, OpenLevelDB(_, _, _, _)).WillByDefault(
       Invoke(&busted_factory, &BustedLevelDBFactory::OpenLevelDB));
   ON_CALL(mock_leveldb_factory, DestroyLevelDB(_)).WillByDefault(
       Invoke(&busted_factory, &BustedLevelDBFactory::DestroyLevelDB));
 
@@ skipping 63 matching lines @@
                                   &data_loss_reason,
                                   &disk_full,
                                   &mock_leveldb_factory,
                                   task_runner,
                                   clean_journal,
                                   &s);
   ASSERT_TRUE(s.IsIOError());
 }
 
 }  // namespace