chromium/chrome/browser/predictors/loading_predictor_tab_helper.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 CHROME_BROWSER_PREDICTORS_LOADING_PREDICTOR_TAB_HELPER_H_
#define CHROME_BROWSER_PREDICTORS_LOADING_PREDICTOR_TAB_HELPER_H_

#include <optional>

#include "base/memory/raw_ptr.h"
#include "base/memory/ref_counted.h"
#include "base/memory/scoped_refptr.h"
#include "base/types/id_type.h"
#include "chrome/browser/predictors/resource_prefetch_predictor.h"
#include "content/public/browser/document_user_data.h"
#include "content/public/browser/navigation_handle_user_data.h"
#include "content/public/browser/web_contents_observer.h"
#include "content/public/browser/web_contents_user_data.h"

namespace content {
class NavigationHandle;
}  // namespace content

namespace optimization_guide {
class OptimizationGuideDecider;
enum class OptimizationGuideDecision;
class OptimizationMetadata;
}  // namespace optimization_guide

namespace predictors {
NavigationId;

class LoadingPredictor;

// Observes various page load events from the navigation start to onload
// completed and notifies the LoadingPredictor associated with the current
// profile.
//
// All methods must be called from the UI thread.
class LoadingPredictorTabHelper
    : public content::WebContentsObserver,
      public content::WebContentsUserData<LoadingPredictorTabHelper> { … };

}  // namespace predictors

#endif  // CHROME_BROWSER_PREDICTORS_LOADING_PREDICTOR_TAB_HELPER_H_