Move blink scheduler implementation into a component

components/scheduler/child/worker_scheduler.h

Index: components/scheduler/child/worker_scheduler.h
diff --git a/content/child/scheduler/worker_scheduler.h b/components/scheduler/child/worker_scheduler.h
similarity index 58%
rename from content/child/scheduler/worker_scheduler.h
rename to components/scheduler/child/worker_scheduler.h
index 7d1225135aff87ebb7f76719c22639717d5ac0ea..333821094e3f8ac20c37198bf93ee8121710a53b 100644
--- a/content/child/scheduler/worker_scheduler.h
+++ b/components/scheduler/child/worker_scheduler.h
@@ -2,21 +2,21 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef CONTENT_CHILD_SCHEDULER_WORKER_SCHEDULER_H_
-#define CONTENT_CHILD_SCHEDULER_WORKER_SCHEDULER_H_
+#ifndef COMPONENTS_SCHEDULER_CHILD_WORKER_SCHEDULER_H_
+#define COMPONENTS_SCHEDULER_CHILD_WORKER_SCHEDULER_H_
 
 #include "base/message_loop/message_loop.h"
-#include "content/child/scheduler/child_scheduler.h"
-#include "content/child/scheduler/single_thread_idle_task_runner.h"
-#include "content/common/content_export.h"
+#include "components/scheduler/child/child_scheduler.h"
+#include "components/scheduler/child/single_thread_idle_task_runner.h"
+#include "components/scheduler/scheduler_export.h"
 
 namespace base {
 class MessageLoop;
 }
 
-namespace content {
+namespace scheduler {
 
-class CONTENT_EXPORT WorkerScheduler : public ChildScheduler {
+class SCHEDULER_EXPORT WorkerScheduler : public ChildScheduler {
  public:
   ~WorkerScheduler() override;
   static scoped_ptr<WorkerScheduler> Create(base::MessageLoop* message_loop);
@@ -30,6 +30,6 @@ class CONTENT_EXPORT WorkerScheduler : public ChildScheduler {
   DISALLOW_COPY_AND_ASSIGN(WorkerScheduler);
 };
 
-}  // namespace content
+}  // namespace scheduler
 
-#endif  // CONTENT_CHILD_SCHEDULER_WORKER_SCHEDULER_H_
+#endif  // COMPONENTS_SCHEDULER_CHILD_WORKER_SCHEDULER_H_