Move blink scheduler implementation into a component

components/scheduler/child/null_idle_task_runner.cc

Index: components/scheduler/child/null_idle_task_runner.cc
diff --git a/content/child/scheduler/null_idle_task_runner.cc b/components/scheduler/child/null_idle_task_runner.cc
similarity index 80%
rename from content/child/scheduler/null_idle_task_runner.cc
rename to components/scheduler/child/null_idle_task_runner.cc
index 08818ce5d430c6776b9dcc8c74811e09887f81db..9d11e7c565f35095d7805ab1c26f184b36343e4d 100644
--- a/content/child/scheduler/null_idle_task_runner.cc
+++ b/components/scheduler/child/null_idle_task_runner.cc
@@ -2,9 +2,9 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#include "content/child/scheduler/null_idle_task_runner.h"
+#include "components/scheduler/child/null_idle_task_runner.h"
 
-namespace content {
+namespace scheduler {
 
 NullIdleTaskRunner::NullIdleTaskRunner()
     : SingleThreadIdleTaskRunner(nullptr,
@@ -27,8 +27,8 @@ void NullIdleTaskRunner::PostNonNestableIdleTask(
 }
 
 void NullIdleTaskRunner::PostIdleTaskAfterWakeup(
-  const tracked_objects::Location& from_here,
-  const IdleTask& idle_task) {
+    const tracked_objects::Location& from_here,
+    const IdleTask& idle_task) {
 }
 
-}  // namespace content
+}  // namespace scheduler