scheduler: Implement WebFrameScheduler and WebPageScheduler

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 "base/macros.h"
+#include "base/memory/ref_counted.h"
+#include "base/memory/scoped_ptr.h"
+#include "components/scheduler/scheduler_export.h"
+#include "third_party/WebKit/public/platform/WebFrameScheduler.h"
+#include "third_party/WebKit/public/web/WebSecurityOrigin.h"
+
+namespace base {
+class SingleThreadTaskRunner;
+}  // namespace base
+
+namespace scheduler {
+
+class RendererScheduler;
+class TaskQueue;
+class WebFrameHostSchedulerImpl;
+class WebTaskRunnerImpl;
+
+class SCHEDULER_EXPORT WebFrameSchedulerImpl : public blink::WebFrameScheduler {
+ public:
+  WebFrameSchedulerImpl(RendererScheduler* render_scheduler,
+                        WebFrameHostSchedulerImpl* parent_frame_host_scheduler);
+
+  ~WebFrameSchedulerImpl() override;
+
+  // blink::WebFrameScheduler implementation:
+  virtual void setFrameVisible(bool visible);
+  virtual blink::WebTaskRunner* loadingTaskRunner();
+  virtual blink::WebTaskRunner* timerTaskRunner();
+  virtual void setFrameOrigin(const blink::WebSecurityOrigin* origin);
+
+ private:
+  scoped_refptr<TaskQueue> loading_task_queue_;
+  scoped_refptr<TaskQueue> timer_task_queue_;
+  scoped_ptr<WebTaskRunnerImpl> loading_web_task_runner_;
+  scoped_ptr<WebTaskRunnerImpl> timer_web_task_runner_;
+  RendererScheduler* render_scheduler_;                     // NOT OWNED
+  WebFrameHostSchedulerImpl* parent_frame_host_scheduler_;  // NOT OWNED
+  blink::WebSecurityOrigin origin_;
+  bool visible_;
+
+  DISALLOW_COPY_AND_ASSIGN(WebFrameSchedulerImpl);
+};
+
+}  // namespace scheduler
+
+#endif  // COMPONENTS_SCHEDULER_RENDERER_WEB_FRAME_SCHEDULER_IMPL_H_