Move blink scheduler implementation into a component

components/scheduler/child/null_worker_scheduler.h

Index: components/scheduler/child/null_worker_scheduler.h
diff --git a/content/child/scheduler/null_worker_scheduler.h b/components/scheduler/child/null_worker_scheduler.h
similarity index 76%
rename from content/child/scheduler/null_worker_scheduler.h
rename to components/scheduler/child/null_worker_scheduler.h
index a03d6b2a024c9e5ce501c5d8d564ecd37a4e16a7..535fa089a5ae18c1a2b7671c5e9bf1ffbb7b9e55 100644
--- a/content/child/scheduler/null_worker_scheduler.h
+++ b/components/scheduler/child/null_worker_scheduler.h
@@ -2,12 +2,12 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef CONTENT_CHILD_SCHEDULER_NULL_WORKER_SCHEDULER_H_
-#define CONTENT_CHILD_SCHEDULER_NULL_WORKER_SCHEDULER_H_
+#ifndef COMPONENTS_SCHEDULER_CHILD_NULL_WORKER_SCHEDULER_H_
+#define COMPONENTS_SCHEDULER_CHILD_NULL_WORKER_SCHEDULER_H_
 
-#include "content/child/scheduler/worker_scheduler.h"
+#include "components/scheduler/child/worker_scheduler.h"
 
-namespace content {
+namespace scheduler {
 
 class NullWorkerScheduler : public WorkerScheduler {
  public:
@@ -32,6 +32,6 @@ class NullWorkerScheduler : public WorkerScheduler {
   DISALLOW_COPY_AND_ASSIGN(NullWorkerScheduler);
 };
 
-}  // namespace content
+}  // namespace scheduler
 
-#endif  // CONTENT_CHILD_SCHEDULER_NULL_WORKER_SCHEDULER_H_
+#endif  // COMPONENTS_SCHEDULER_CHILD_NULL_WORKER_SCHEDULER_H_