chromium/chrome/browser/predictors/loading_predictor_config.h

// Copyright 2017 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_CONFIG_H_
#define CHROME_BROWSER_PREDICTORS_LOADING_PREDICTOR_CONFIG_H_

#include <cstddef>
#include <string>

class Profile;

namespace predictors {

// Returns whether the Loading Predictor is enabled for the given |profile|. If
// true, the predictor can observe page load events, build historical database
// and perform allowed speculative actions based on this database.
bool IsLoadingPredictorEnabled(Profile* profile);

// Returns whether the current |profile| settings allow to perform preresolve
// and preconnect actions. This setting is controlled by the user, so the return
// value shouldn't be cached.
bool IsPreconnectAllowed(Profile* profile);

// Indicates what caused the page load hint.
enum class HintOrigin { … };

// Gets the string that can be used to record histograms for the hint origin.
//
// Keep in sync with LoadingPredictorHintOrigin in histograms.xml. Will DCHECK
// if an origin is added that is not listed in histograms.xml.
std::string GetStringNameForHintOrigin(HintOrigin hint_origin);

// Represents the config for the Loading predictor.
struct LoadingPredictorConfig { … };

}  // namespace predictors

#endif  // CHROME_BROWSER_PREDICTORS_LOADING_PREDICTOR_CONFIG_H_