chromium/content/browser/gpu/peak_gpu_memory_tracker_impl.h

// Copyright 2019 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef CONTENT_BROWSER_GPU_PEAK_GPU_MEMORY_TRACKER_IMPL_H_
#define CONTENT_BROWSER_GPU_PEAK_GPU_MEMORY_TRACKER_IMPL_H_

#include "base/functional/callback_forward.h"
#include "base/functional/callback_helpers.h"
#include "base/task/single_thread_task_runner.h"
#include "components/input/peak_gpu_memory_tracker.h"

namespace content {

// Tracks the peak memory of the GPU service for its lifetime. Upon its
// destruction a report will be requested from the GPU service. The peak will be
// reported to UMA Histograms.
//
// If the GPU is lost during this objects lifetime, upon destruction there will
// be no report to UMA Histograms. The same for if there is never a successful
// GPU connection.
//
// This is instaniated via `PeakGpuMemoryTrackerFactory::Create`.
class PeakGpuMemoryTrackerImpl : public input::PeakGpuMemoryTracker { … };

}  // namespace content

#endif  // CONTENT_BROWSER_GPU_PEAK_GPU_MEMORY_TRACKER_IMPL_H_