Load CMA backend from shared library

chromecast/base/task_runner_impl.cc

Index: chromecast/base/task_runner_impl.cc
diff --git a/chromecast/base/task_runner_impl.cc b/chromecast/base/task_runner_impl.cc
new file mode 100644
index 0000000000000000000000000000000000000000..ac497a368c891162dfb0c7b418d7f6397b7d51d0
--- /dev/null
+++ b/chromecast/base/task_runner_impl.cc
@@ -0,0 +1,35 @@
+// Copyright 2015 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 "chromecast/base/task_runner_impl.h"
+
+#include "base/bind.h"
+#include "base/location.h"
+#include "base/single_thread_task_runner.h"
+#include "base/thread_task_runner_handle.h"
+
+namespace chromecast {
+
+TaskRunnerImpl::TaskRunnerImpl()
+    : runner_(base::ThreadTaskRunnerHandle::Get()) {
+  DCHECK(runner_.get());
+}
+
+TaskRunnerImpl::~TaskRunnerImpl() {}
+
+bool TaskRunnerImpl::PostTask(Task* task, uint64_t delay_milliseconds) {

[byungchul, 2015/07/30 05:22:54]

DCHECK(task);

[halliwell, 2015/07/30 05:40:19]

Done.

+  if (delay_milliseconds == 0 && runner_->BelongsToCurrentThread()) {
+    task->Run();
+    delete task;
+    return true;
+  }
+
+  // TODO(halliwell): FROM_HERE is misleading, we should consider a macro for
+  // vendor backends to send the callsite info.
+  return runner_->PostDelayedTask(
+      FROM_HERE, base::Bind(&Task::Run, base::Owned(task)),
+      base::TimeDelta::FromMilliseconds(delay_milliseconds));
+}
+
+}  // namespace chromecast