content: Add RendererScheduler.

content/renderer/scheduler/single_thread_idle_task_runner.cc

Index: content/renderer/scheduler/single_thread_idle_task_runner.cc
diff --git a/content/renderer/scheduler/single_thread_idle_task_runner.cc b/content/renderer/scheduler/single_thread_idle_task_runner.cc
new file mode 100644
index 0000000000000000000000000000000000000000..56cf0e9e5b897cadf0f311bf4187b60c86feff37
--- /dev/null
+++ b/content/renderer/scheduler/single_thread_idle_task_runner.cc
@@ -0,0 +1,38 @@
+// Copyright 2014 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/renderer/scheduler/single_thread_idle_task_runner.h"
+
+#include "base/location.h"
+
+namespace content {
+
+SingleThreadIdleTaskRunner::SingleThreadIdleTaskRunner(
+    scoped_refptr<base::SingleThreadTaskRunner> task_runner,
+    base::Callback<void(base::TimeTicks*)> deadline_supplier)
+    : task_runner_(task_runner), deadline_supplier_(deadline_supplier) {
+}
+
+SingleThreadIdleTaskRunner::~SingleThreadIdleTaskRunner() {
+}
+
+bool SingleThreadIdleTaskRunner::RunsTasksOnCurrentThread() const {
+  return task_runner_->RunsTasksOnCurrentThread();
+}
+
+void SingleThreadIdleTaskRunner::PostIdleTask(
+    const tracked_objects::Location& from_here,
+    const IdleTask& idle_task) {
+  task_runner_->PostTask(
+      from_here,
+      base::Bind(&SingleThreadIdleTaskRunner::RunTask, this, idle_task));
+}
+
+void SingleThreadIdleTaskRunner::RunTask(IdleTask idle_task) {
+  base::TimeTicks deadline;
+  deadline_supplier_.Run(&deadline);
+  idle_task.Run(deadline);
+}
+
+}  // namespace content