Transform RefCountedDeleteOnMessageLoop to RefCountedDeleteOnSequence.

extensions/browser/sandboxed_unpacker.cc

 // Copyright (c) 2012 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 "extensions/browser/sandboxed_unpacker.h"
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <set>
@@ skipping 192 matching lines @@
     return false;
 
   IPC::Message pickle(file_str.data(), file_str.size());
   base::PickleIterator iter(pickle);
   return IPC::ReadParam(&pickle, &iter, catalogs);
 }
 
 }  // namespace
 
 SandboxedUnpackerClient::SandboxedUnpackerClient()
-    : RefCountedDeleteOnMessageLoop<SandboxedUnpackerClient>(
+    : RefCountedDeleteOnSequence<SandboxedUnpackerClient>(
           content::BrowserThread::GetTaskRunnerForThread(
               content::BrowserThread::UI)) {
   DCHECK_CURRENTLY_ON(BrowserThread::UI);
 }
 
 SandboxedUnpacker::SandboxedUnpacker(
     Manifest::Location location,
     int creation_flags,
     const base::FilePath& extensions_dir,
     const scoped_refptr<base::SequencedTaskRunner>& unpacker_io_task_runner,
@@ skipping 701 matching lines @@
 
 SandboxedUnpacker::UtilityHostWrapper::~UtilityHostWrapper() {
   DCHECK_CURRENTLY_ON(BrowserThread::IO);
   if (utility_host_) {
     utility_host_->EndBatchMode();
     utility_host_.reset();
   }
 }
 
 }  // namespace extensions