scheduler: Move the Blink scheduler into Blink

components/scheduler/renderer/web_frame_scheduler_impl.h

-// Copyright 2015 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 COMPONENTS_SCHEDULER_RENDERER_WEB_FRAME_SCHEDULER_IMPL_H_
-#define COMPONENTS_SCHEDULER_RENDERER_WEB_FRAME_SCHEDULER_IMPL_H_
-
-#include <memory>
-
-#include "base/macros.h"
-#include "base/memory/ref_counted.h"
-#include "base/trace_event/trace_event.h"
-#include "components/scheduler/base/task_queue.h"
-#include "components/scheduler/scheduler_export.h"
-#include "third_party/WebKit/public/platform/WebFrameScheduler.h"
-
-namespace base {
-namespace trace_event {
-class BlameContext;
-}  // namespace trace_event
-class SingleThreadTaskRunner;
-}  // namespace base
-
-namespace scheduler {
-
-class AutoAdvancingVirtualTimeDomain;
-class RendererSchedulerImpl;
-class TaskQueue;
-class WebTaskRunnerImpl;
-class WebViewSchedulerImpl;
-
-class SCHEDULER_EXPORT WebFrameSchedulerImpl : public blink::WebFrameScheduler {
- public:
-  WebFrameSchedulerImpl(RendererSchedulerImpl* renderer_scheduler,
-                        WebViewSchedulerImpl* parent_web_view_scheduler,
-                        base::trace_event::BlameContext* blame_context);
-
-  ~WebFrameSchedulerImpl() override;
-
-  // blink::WebFrameScheduler implementation:
-  void setFrameVisible(bool frame_visible) override;
-  void setPageVisible(bool page_visible) override;
-  blink::WebTaskRunner* loadingTaskRunner() override;
-  blink::WebTaskRunner* timerTaskRunner() override;
-  blink::WebTaskRunner* unthrottledTaskRunner() override;
-  blink::WebViewScheduler* webViewScheduler() override;
-  void didStartLoading(unsigned long identifier) override;
-  void didStopLoading(unsigned long identifier) override;
-  void setDocumentParsingInBackground(bool background_parser_active) override;
-
- private:
-  friend class WebViewSchedulerImpl;
-
-  void DetachFromWebViewScheduler();
-  void ApplyPolicyToTimerQueue();
-
-  scoped_refptr<TaskQueue> loading_task_queue_;
-  scoped_refptr<TaskQueue> timer_task_queue_;
-  scoped_refptr<TaskQueue> unthrottled_task_queue_;
-  std::unique_ptr<WebTaskRunnerImpl> loading_web_task_runner_;
-  std::unique_ptr<WebTaskRunnerImpl> timer_web_task_runner_;
-  std::unique_ptr<WebTaskRunnerImpl> unthrottled_web_task_runner_;
-  RendererSchedulerImpl* renderer_scheduler_;            // NOT OWNED
-  WebViewSchedulerImpl* parent_web_view_scheduler_;      // NOT OWNED
-  base::trace_event::BlameContext* blame_context_;       // NOT OWNED
-  TaskQueue::PumpPolicy virtual_time_pump_policy_;
-  bool frame_visible_;
-  bool page_visible_;
-
-  DISALLOW_COPY_AND_ASSIGN(WebFrameSchedulerImpl);
-};
-
-}  // namespace scheduler
-
-#endif  // COMPONENTS_SCHEDULER_RENDERER_WEB_FRAME_SCHEDULER_IMPL_H_