Move blink scheduler implementation into a component

components/scheduler/child/scheduler_message_loop_delegate.h

Index: components/scheduler/child/scheduler_message_loop_delegate.h
diff --git a/content/child/scheduler/scheduler_message_loop_delegate.h b/components/scheduler/child/scheduler_message_loop_delegate.h
similarity index 73%
rename from content/child/scheduler/scheduler_message_loop_delegate.h
rename to components/scheduler/child/scheduler_message_loop_delegate.h
index 05e405b2a889358908c8ee731507a392421d0a76..2fce4b6fc45976fc08d71fb8d303bc84a6039cc5 100644
--- a/content/child/scheduler/scheduler_message_loop_delegate.h
+++ b/components/scheduler/child/scheduler_message_loop_delegate.h
@@ -2,16 +2,16 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef CONTENT_CHILD_SCHEDULER_SCHEDULER_MESSAGE_LOOP_DELEGATE_H_
-#define CONTENT_CHILD_SCHEDULER_SCHEDULER_MESSAGE_LOOP_DELEGATE_H_
+#ifndef COMPONENTS_SCHEDULER_CHILD_SCHEDULER_MESSAGE_LOOP_DELEGATE_H_
+#define COMPONENTS_SCHEDULER_CHILD_SCHEDULER_MESSAGE_LOOP_DELEGATE_H_
 
 #include "base/message_loop/message_loop.h"
-#include "content/child/scheduler/nestable_single_thread_task_runner.h"
-#include "content/common/content_export.h"
+#include "components/scheduler/child/nestable_single_thread_task_runner.h"
+#include "components/scheduler/scheduler_export.h"
 
-namespace content {
+namespace scheduler {
 
-class CONTENT_EXPORT SchedulerMessageLoopDelegate
+class SCHEDULER_EXPORT SchedulerMessageLoopDelegate
     : public NestableSingleThreadTaskRunner {
  public:
   // |message_loop| is not owned and must outlive the lifetime of this object.
@@ -40,6 +40,6 @@ class CONTENT_EXPORT SchedulerMessageLoopDelegate
   DISALLOW_COPY_AND_ASSIGN(SchedulerMessageLoopDelegate);
 };
 
-}  // namespace content
+}  // namespace scheduler
 
-#endif  // CONTENT_CHILD_SCHEDULER_SCHEDULER_MESSAGE_LOOP_DELEGATE_H_
+#endif  // COMPONENTS_SCHEDULER_CHILD_SCHEDULER_MESSAGE_LOOP_DELEGATE_H_