chromium/components/optimization_guide/core/prediction_model_fetcher_impl.cc

// Copyright 2019 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "components/optimization_guide/core/prediction_model_fetcher_impl.h"

#include <memory>
#include <string>
#include <utility>
#include <vector>

#include "base/feature_list.h"
#include "base/metrics/histogram_functions.h"
#include "base/metrics/histogram_macros.h"
#include "components/optimization_guide/core/model_util.h"
#include "components/optimization_guide/core/optimization_guide_features.h"
#include "components/optimization_guide/core/optimization_guide_util.h"
#include "components/optimization_guide/proto/models.pb.h"
#include "components/variations/net/variations_http_headers.h"
#include "net/base/load_flags.h"
#include "net/base/url_util.h"
#include "net/http/http_request_headers.h"
#include "net/http/http_response_headers.h"
#include "net/http/http_status_code.h"
#include "net/traffic_annotation/network_traffic_annotation.h"
#include "services/network/public/cpp/resource_request.h"
#include "services/network/public/cpp/shared_url_loader_factory.h"
#include "services/network/public/cpp/simple_url_loader.h"
#include "services/network/public/mojom/url_response_head.mojom.h"

namespace optimization_guide {

PredictionModelFetcherImpl::PredictionModelFetcherImpl(
    scoped_refptr<network::SharedURLLoaderFactory> url_loader_factory,
    const GURL& optimization_guide_service_get_models_url)
    : … { … }

PredictionModelFetcherImpl::~PredictionModelFetcherImpl() = default;

bool PredictionModelFetcherImpl::FetchOptimizationGuideServiceModels(
    const std::vector<proto::ModelInfo>& models_request_info,
    proto::RequestContext request_context,
    const std::string& locale,
    ModelsFetchedCallback models_fetched_callback) { … }

void PredictionModelFetcherImpl::HandleResponse(
    const std::string& get_models_response_data,
    int net_status,
    int response_code) { … }

void PredictionModelFetcherImpl::OnURLLoadComplete(
    std::unique_ptr<std::string> response_body) { … }

}  // namespace optimization_guide