chromium/components/page_load_metrics/browser/page_load_metrics_observer_interface.h

// Copyright 2022 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef COMPONENTS_PAGE_LOAD_METRICS_BROWSER_PAGE_LOAD_METRICS_OBSERVER_INTERFACE_H_
#define COMPONENTS_PAGE_LOAD_METRICS_BROWSER_PAGE_LOAD_METRICS_OBSERVER_INTERFACE_H_

#include <memory>
#include <string>

#include "base/memory/read_only_shared_memory_region.h"
#include "base/memory/weak_ptr.h"
#include "base/time/time.h"
#include "components/page_load_metrics/browser/page_load_metrics_observer_delegate.h"
#include "components/page_load_metrics/common/page_load_metrics.mojom.h"
#include "content/public/browser/auction_result.h"
#include "content/public/browser/navigation_discard_reason.h"
#include "content/public/browser/web_contents_observer.h"
#include "net/base/net_errors.h"
#include "net/cookies/canonical_cookie.h"
#include "third_party/blink/public/common/input/web_input_event.h"
#include "third_party/blink/public/common/use_counter/use_counter_feature.h"
#include "third_party/blink/public/mojom/loader/resource_load_info.mojom.h"
#include "url/gurl.h"

namespace blink {
struct JavaScriptFrameworkDetectionResult;
}  // namespace blink

namespace content {
class NavigationHandle;
class RenderFrameHost;
}  // namespace content

namespace net {
struct LoadTimingInfo;
}

namespace page_load_metrics {

// Storage types reported to page load metrics observers on storage accesses.
enum class StorageType { … };

// Container for various information about a completed request within a page
// load.
struct ExtraRequestCompleteInfo { … };

// Information related to failed provisional loads.
struct FailedProvisionalLoadInfo { … };

// Struct for storing per-frame memory update data.
struct MemoryUpdate { … };

// Interface for PageLoadMetrics observers. Only PageLoadMetricsForwardObserver
// should inherit this interface directly, and others should do
// PageLoadMetricsObserver class.
// All virtual methods in this class should be pure virtual.
class PageLoadMetricsObserverInterface { … };

}  // namespace page_load_metrics

#endif  // COMPONENTS_PAGE_LOAD_METRICS_BROWSER_PAGE_LOAD_METRICS_OBSERVER_INTERFACE_H_