Move blink scheduler implementation into a component

components/scheduler/child/single_thread_idle_task_runner.h

Index: components/scheduler/child/single_thread_idle_task_runner.h
diff --git a/content/child/scheduler/single_thread_idle_task_runner.h b/components/scheduler/child/single_thread_idle_task_runner.h
similarity index 89%
rename from content/child/scheduler/single_thread_idle_task_runner.h
rename to components/scheduler/child/single_thread_idle_task_runner.h
index b5281a57389139a8a33ea8e13cb8b1bf7c6e947b..358389a96dc50607a7a1ad449d983f719369f0b9 100644
--- a/content/child/scheduler/single_thread_idle_task_runner.h
+++ b/components/scheduler/child/single_thread_idle_task_runner.h
@@ -2,8 +2,8 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef CONTENT_CHILD_SCHEDULER_SINGLE_THREAD_IDLE_TASK_RUNNER_H_
-#define CONTENT_CHILD_SCHEDULER_SINGLE_THREAD_IDLE_TASK_RUNNER_H_
+#ifndef COMPONENTS_SCHEDULER_CHILD_SINGLE_THREAD_IDLE_TASK_RUNNER_H_
+#define COMPONENTS_SCHEDULER_CHILD_SINGLE_THREAD_IDLE_TASK_RUNNER_H_
 
 #include "base/bind.h"
 #include "base/callback.h"
@@ -11,7 +11,7 @@
 #include "base/single_thread_task_runner.h"
 #include "base/time/time.h"
 
-namespace content {
+namespace scheduler {
 
 // A SingleThreadIdleTaskRunner is a task runner for running idle tasks. Idle
 // tasks have an unbound argument which is bound to a deadline
@@ -60,6 +60,6 @@ class SingleThreadIdleTaskRunner
   DISALLOW_COPY_AND_ASSIGN(SingleThreadIdleTaskRunner);
 };
 
-}  // namespace content
+}  // namespace scheduler
 
-#endif  // CONTENT_CHILD_SCHEDULER_SINGLE_THREAD_IDLE_TASK_RUNNER_H_
+#endif  // COMPONENTS_SCHEDULER_CHILD_SINGLE_THREAD_IDLE_TASK_RUNNER_H_