critical_client_hints_throttle.cc | Explore in Territory

// Copyright 2020 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "content/browser/client_hints/critical_client_hints_throttle.h"

#include "base/feature_list.h"
#include "base/metrics/histogram_functions.h"
#include "content/browser/client_hints/client_hints.h"
#include "content/browser/renderer_host/frame_tree_node.h"
#include "content/browser/renderer_host/navigation_request.h"
#include "content/common/features.h"
#include "content/public/browser/browser_context.h"
#include "content/public/browser/client_hints_controller_delegate.h"
#include "content/public/browser/content_browser_client.h"
#include "content/public/browser/web_contents.h"
#include "content/public/common/content_client.h"
#include "net/http/http_request_headers.h"
#include "net/http/http_util.h"
#include "services/metrics/public/cpp/ukm_builders.h"
#include "services/metrics/public/cpp/ukm_recorder.h"
#include "services/metrics/public/cpp/ukm_source_id.h"
#include "services/network/public/cpp/client_hints.h"
#include "services/network/public/cpp/features.h"
#include "services/network/public/mojom/parsed_headers.mojom-forward.h"
#include "services/network/public/mojom/url_response_head.mojom.h"
#include "third_party/blink/public/common/client_hints/client_hints.h"
#include "third_party/blink/public/common/client_hints/enabled_client_hints.h"
#include "third_party/blink/public/common/loader/url_loader_throttle.h"

namespace {

WebClientHintsType;

void LogCriticalCHStatus(CriticalCHRestart status) { … }

}  // namespace

namespace content {

CriticalClientHintsThrottle::CriticalClientHintsThrottle(
    BrowserContext* context,
    ClientHintsControllerDelegate* client_hint_delegate,
    int frame_tree_node_id)
    : … { … }

CriticalClientHintsThrottle::~CriticalClientHintsThrottle() = default;

void CriticalClientHintsThrottle::WillStartRequest(
    network::ResourceRequest* request,
    bool* defer) { … }

void CriticalClientHintsThrottle::BeforeWillProcessResponse(
    const GURL& response_url,
    const network::mojom::URLResponseHead& response_head,
    RestartWithURLReset* restart_with_url_reset) { … }

void CriticalClientHintsThrottle::BeforeWillRedirectRequest(
    net::RedirectInfo* redirect_info,
    const network::mojom::URLResponseHead& response_head,
    RestartWithURLReset* restart_with_url_reset,
    std::vector<std::string>* to_be_removed_request_headers,
    net::HttpRequestHeaders* modified_request_headers,
    net::HttpRequestHeaders* modified_cors_exempt_request_headers) { … }

void CriticalClientHintsThrottle::MaybeRestartWithHints(
    const network::mojom::URLResponseHead& response_head,
    RestartWithURLReset* restart_with_url_reset) { … }
}  // namespace content
chromium/content/browser/client_hints/critical_client_hints_throttle.cc
