Move blink scheduler implementation into a component

content/renderer/scheduler/null_renderer_scheduler.h

Index: content/renderer/scheduler/null_renderer_scheduler.h
diff --git a/content/renderer/scheduler/null_renderer_scheduler.h b/content/renderer/scheduler/null_renderer_scheduler.h
deleted file mode 100644
index 162e8d9936edafd8ca1bd1d468979a3f713dee83..0000000000000000000000000000000000000000
--- a/content/renderer/scheduler/null_renderer_scheduler.h
+++ /dev/null
@@ -1,50 +0,0 @@
-// Copyright 2014 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#ifndef CONTENT_RENDERER_SCHEDULER_NULL_RENDERER_SCHEDULER_H_
-#define CONTENT_RENDERER_SCHEDULER_NULL_RENDERER_SCHEDULER_H_
-
-#include "content/renderer/scheduler/renderer_scheduler.h"
-
-namespace content {
-
-class NullRendererScheduler : public RendererScheduler {
- public:
-  NullRendererScheduler();
-  ~NullRendererScheduler() override;
-
-  scoped_refptr<base::SingleThreadTaskRunner> DefaultTaskRunner() override;
-  scoped_refptr<base::SingleThreadTaskRunner> CompositorTaskRunner() override;
-  scoped_refptr<base::SingleThreadTaskRunner> LoadingTaskRunner() override;
-  scoped_refptr<SingleThreadIdleTaskRunner> IdleTaskRunner() override;
-  scoped_refptr<base::SingleThreadTaskRunner> TimerTaskRunner() override;
-
-  void WillBeginFrame(const cc::BeginFrameArgs& args) override;
-  void BeginFrameNotExpectedSoon() override;
-  void DidCommitFrameToCompositor() override;
-  void DidReceiveInputEventOnCompositorThread(
-      const blink::WebInputEvent& web_input_event) override;
-  void OnRendererHidden() override;
-  void OnRendererVisible() override;
-  void DidAnimateForInputOnCompositorThread() override;
-  bool IsHighPriorityWorkAnticipated() override;
-  bool ShouldYieldForHighPriorityWork() override;
-  bool CanExceedIdleDeadlineIfRequired() const override;
-  void AddTaskObserver(base::MessageLoop::TaskObserver* task_observer) override;
-  void RemoveTaskObserver(
-      base::MessageLoop::TaskObserver* task_observer) override;
-  void Shutdown() override;
-  void SuspendTimerQueue() override;
-  void ResumeTimerQueue() override;
-
- private:
-  scoped_refptr<base::SingleThreadTaskRunner> task_runner_;
-  scoped_refptr<SingleThreadIdleTaskRunner> idle_task_runner_;
-
-  DISALLOW_COPY_AND_ASSIGN(NullRendererScheduler);
-};
-
-}  // namespace content
-
-#endif  // CONTENT_RENDERER_SCHEDULER_NULL_RENDERER_SCHEDULER_H_