chromium/third_party/blink/renderer/core/paint/timing/paint_timing_test_helper.h

#ifndef THIRD_PARTY_BLINK_RENDERER_CORE_PAINT_TIMING_PAINT_TIMING_TEST_HELPER_H_
#define THIRD_PARTY_BLINK_RENDERER_CORE_PAINT_TIMING_PAINT_TIMING_TEST_HELPER_H_

#include "base/check_op.h"
#include "third_party/blink/renderer/core/paint/timing/paint_timing_callback_manager.h"

namespace blink {

// |MockPaintTimingCallbackManager| is used to mock
// |ChromeClient::NotifyPresentationTime()|'s presentation-time queueing and
// invoking for unit-tests. Find more details in |PaintTimingCallbackManager|.
class MockPaintTimingCallbackManager final
    : public GarbageCollected<MockPaintTimingCallbackManager>,
      public PaintTimingCallbackManager { … };
}  // namespace blink

#endif  // THIRD_PARTY_BLINK_RENDERER_CORE_PAINT_TIMING_PAINT_TIMING_TEST_HELPER_H_