scheduler: Move the Blink scheduler into Blink

components/scheduler/renderer/web_view_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_VIEW_SCHEDULER_IMPL_H_
-#define COMPONENTS_SCHEDULER_RENDERER_WEB_VIEW_SCHEDULER_IMPL_H_
-
-#include <memory>
-#include <set>
-#include <string>
-
-#include "base/macros.h"
-#include "components/scheduler/base/task_queue.h"
-#include "components/scheduler/scheduler_export.h"
-#include "third_party/WebKit/public/platform/WebViewScheduler.h"
-
-namespace base {
-namespace trace_event {
-class BlameContext;
-}  // namespace trace_event
-class SingleThreadTaskRunner;
-}  // namespace base
-
-namespace blink {
-class WebView;
-}  // namespace blink
-
-namespace scheduler {
-
-class RendererSchedulerImpl;
-class WebFrameSchedulerImpl;
-
-class SCHEDULER_EXPORT WebViewSchedulerImpl : public blink::WebViewScheduler {
- public:
-  WebViewSchedulerImpl(blink::WebView* web_view,
-                       RendererSchedulerImpl* renderer_scheduler,
-                       bool disable_background_timer_throttling);
-
-  ~WebViewSchedulerImpl() override;
-
-  // blink::WebViewScheduler implementation:
-  void setPageVisible(bool page_visible) override;
-  std::unique_ptr<blink::WebFrameScheduler> createFrameScheduler(
-      blink::BlameContext* blame_context) override;
-  void enableVirtualTime() override;
-  bool virtualTimeAllowedToAdvance() const override;
-  void setVirtualTimePolicy(VirtualTimePolicy virtual_time_policy) override;
-
-  // Virtual for testing.
-  virtual void AddConsoleWarning(const std::string& message);
-
-  std::unique_ptr<WebFrameSchedulerImpl> createWebFrameSchedulerImpl(
-      base::trace_event::BlameContext* blame_context);
-
-  void DidStartLoading(unsigned long identifier);
-  void DidStopLoading(unsigned long identifier);
-  void IncrementBackgroundParserCount();
-  void DecrementBackgroundParserCount();
-  void Unregister(WebFrameSchedulerImpl* frame_scheduler);
-
- private:
-  void setAllowVirtualTimeToAdvance(bool allow_virtual_time_to_advance);
-  void ApplyVirtualTimePolicy();
-
-  std::set<WebFrameSchedulerImpl*> frame_schedulers_;
-  std::set<unsigned long> pending_loads_;
-  blink::WebView* web_view_;
-  RendererSchedulerImpl* renderer_scheduler_;
-  VirtualTimePolicy virtual_time_policy_;
-  int background_parser_count_;
-  bool page_visible_;
-  bool disable_background_timer_throttling_;
-  bool allow_virtual_time_to_advance_;
-  bool have_seen_loading_task_;
-  bool virtual_time_;
-
-  DISALLOW_COPY_AND_ASSIGN(WebViewSchedulerImpl);
-};
-
-}  // namespace scheduler
-
-#endif  // COMPONENTS_SCHEDULER_RENDERER_WEB_VIEW_SCHEDULER_IMPL_H_