chromium/third_party/blink/renderer/core/timing/performance_element_timing.h

// Copyright 2018 The Chromium Authors
// 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_CORE_TIMING_PERFORMANCE_ELEMENT_TIMING_H_
#define THIRD_PARTY_BLINK_RENDERER_CORE_TIMING_PERFORMANCE_ELEMENT_TIMING_H_

#include "third_party/blink/renderer/core/core_export.h"
#include "third_party/blink/renderer/core/dom/dom_high_res_time_stamp.h"
#include "third_party/blink/renderer/core/dom/element.h"
#include "third_party/blink/renderer/core/geometry/dom_rect_read_only.h"
#include "third_party/blink/renderer/core/timing/performance_entry.h"
#include "third_party/blink/renderer/platform/instrumentation/tracing/traced_value.h"

namespace blink {

// The PerformanceElementTiming object exposes the time in which an element is
// first rendered on the screen and its intersection with the viewport at the
// time it is painted. Currently this is only done for <img> elements but other
// element types should be supported in the future.
class CORE_EXPORT PerformanceElementTiming final : public PerformanceEntry { … };

}  // namespace blink

#endif  // THIRD_PARTY_BLINK_RENDERER_CORE_TIMING_PERFORMANCE_ELEMENT_TIMING_H_