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// Copyright 2018 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 THIRD_PARTY_BLINK_RENDERER_PLATFORM_SCHEDULER_MAIN_THREAD_RESOURCE_LOADING_TASK_RUNNER_HANDLE_IMPL_H_
#define THIRD_PARTY_BLINK_RENDERER_PLATFORM_SCHEDULER_MAIN_THREAD_RESOURCE_LOADING_TASK_RUNNER_HANDLE_IMPL_H_
#include <memory>
#include "third_party/blink/public/platform/scheduler/web_resource_loading_task_runner_handle.h"
#include "third_party/blink/renderer/platform/platform_export.h"
#include "third_party/blink/renderer/platform/scheduler/main_thread/main_thread_task_queue.h"
namespace blink {
namespace scheduler {
// Provides an interface to the loading stack (i.e. WebURLLoader) to post
// resource loading tasks and to notify blink's scheduler when a resource's
// fetch priority changes.
class PLATFORM_EXPORT ResourceLoadingTaskRunnerHandleImpl
: public WebResourceLoadingTaskRunnerHandle {
public:
static std::unique_ptr<ResourceLoadingTaskRunnerHandleImpl> WrapTaskRunner(
scoped_refptr<MainThreadTaskQueue> task_runner);
scoped_refptr<base::SingleThreadTaskRunner> GetTaskRunner() const override;
void DidChangeRequestPriority(net::RequestPriority priority) override;
const scoped_refptr<MainThreadTaskQueue>& task_queue();
~ResourceLoadingTaskRunnerHandleImpl() override;
protected:
explicit ResourceLoadingTaskRunnerHandleImpl(
scoped_refptr<MainThreadTaskQueue> task_queue);
private:
scoped_refptr<MainThreadTaskQueue> task_queue_;
scoped_refptr<base::SingleThreadTaskRunner> task_runner_;
DISALLOW_COPY_AND_ASSIGN(ResourceLoadingTaskRunnerHandleImpl);
};
} // namespace scheduler
} // namespace blink
#endif
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