chromium/third_party/blink/renderer/platform/testing/scoped_fake_ukm_recorder.h

// Copyright 2020 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_PLATFORM_TESTING_SCOPED_FAKE_UKM_RECORDER_H_
#define THIRD_PARTY_BLINK_RENDERER_PLATFORM_TESTING_SCOPED_FAKE_UKM_RECORDER_H_

#include "components/ukm/test_ukm_recorder.h"
#include "mojo/public/cpp/bindings/receiver.h"

namespace blink {

// Class used to mock the UKM recorder living in the browser process and being
// served UKM events over Mojo. When instantiated, this class will register
// itself as the Mojo interface for the UkmRecorderInterface in the
// BrowserInterfaceBroker. It will then forward UKM logging events to a
// TestUkmRecorder instance it owns and make it available for validation.
// Consumers of this class should make sure to instantiate it before any other
// instance takes a dependency on that mojo interface.
class ScopedFakeUkmRecorder : public ukm::mojom::UkmRecorderInterface,
                              public ukm::mojom::UkmRecorderFactory { … };

}  // namespace blink

#endif  // THIRD_PARTY_BLINK_RENDERER_PLATFORM_TESTING_SCOPED_FAKE_UKM_RECORDER_H_