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// Copyright 2016 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef COMPONENTS_DATA_USE_MEASUREMENT_CORE_URL_REQUEST_CLASSIFIER_H_
#define COMPONENTS_DATA_USE_MEASUREMENT_CORE_URL_REQUEST_CLASSIFIER_H_
#include <stdint.h>
#include "components/data_use_measurement/core/data_use_user_data.h"
namespace net {
class HttpResponseHeaders;
class URLRequest;
}
namespace data_use_measurement {
// Interface for a classifier that can classify URL requests.
class URLRequestClassifier {
public:
virtual ~URLRequestClassifier() {}
// Returns true if the URLRequest |request| is initiated by user traffic.
virtual bool IsUserRequest(const net::URLRequest& request) const = 0;
// Returns the content type of the URL request |request| with response headers
// |response_headers|. |is_app_foreground| and |is_tab_visible| indicate the
// current app and tab visibility state.
virtual DataUseUserData::DataUseContentType GetContentType(
const net::URLRequest& request,
const net::HttpResponseHeaders& response_headers) const = 0;
// Records the page transition histograms.
virtual void RecordPageTransitionUMA(uint64_t page_transition,
int64_t received_bytes) const = 0;
// Returns true if |request| is fetching a favicon.
virtual bool IsFavIconRequest(const net::URLRequest& request) const = 0;
};
} // namespace data_use_measurement
#endif // COMPONENTS_DATA_USE_MEASUREMENT_CORE_URL_REQUEST_CLASSIFIER_H_
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