Clone of chromium aad1ce808763f59c7a3753e08f1500a104ecc6fd refs/remotes/origin/HEAD
diff --git a/mojo/shell/task_runners.cc b/mojo/shell/task_runners.cc
new file mode 100644
index 0000000..cb157ee
--- /dev/null
+++ b/mojo/shell/task_runners.cc
@@ -0,0 +1,39 @@
+// 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 "mojo/shell/task_runners.h"
+
+#include "base/threading/sequenced_worker_pool.h"
+
+namespace mojo {
+namespace shell {
+
+namespace {
+
+const size_t kMaxBlockingPoolThreads = 3;
+
+scoped_ptr<base::Thread> CreateIOThread(const char* name) {
+ scoped_ptr<base::Thread> thread(new base::Thread(name));
+ base::Thread::Options options;
+ options.message_loop_type = base::MessageLoop::TYPE_IO;
+ thread->StartWithOptions(options);
+ return thread.Pass();
+}
+
+} // namespace
+
+TaskRunners::TaskRunners(
+ const scoped_refptr<base::SingleThreadTaskRunner>& shell_runner)
+ : shell_runner_(shell_runner),
+ io_thread_(CreateIOThread("io_thread")),
+ blocking_pool_(new base::SequencedWorkerPool(kMaxBlockingPoolThreads,
+ "blocking_pool")) {
+}
+
+TaskRunners::~TaskRunners() {
+ blocking_pool_->Shutdown();
+}
+
+} // namespace shell
+} // namespace mojo
