chromium/extensions/renderer/extension_throttle_manager.h

// Copyright 2012 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef EXTENSIONS_RENDERER_EXTENSION_THROTTLE_MANAGER_H_
#define EXTENSIONS_RENDERER_EXTENSION_THROTTLE_MANAGER_H_

#include <map>
#include <memory>
#include <string>

#include "base/synchronization/lock.h"
#include "extensions/renderer/extension_throttle_entry.h"
#include "services/network/public/mojom/url_response_head.mojom-forward.h"
#include "url/gurl.h"

namespace blink {
class URLLoaderThrottle;
}  // namespace blink

namespace net {
struct RedirectInfo;
}  // namespace net

namespace network {
struct ResourceRequest;
}  // namespace network

namespace extensions {

// This is a thread safe class that registers URL request throttler entries for
// URLs being accessed in order to supervise traffic. URL requests for HTTP
// contents should register their URLs in this manager on each request.
//
// ExtensionThrottleManager maintains a map of URL IDs to URL request
// throttler entries. It creates URL request throttler entries when new URLs
// are registered, and does garbage collection from time to time in order to
// clean out outdated entries. URL ID consists of lowercased scheme, host, port
// and path. All URLs converted to the same ID will share the same entry.
class ExtensionThrottleManager { … };

}  // namespace extensions

#endif  // EXTENSIONS_RENDERER_EXTENSION_THROTTLE_MANAGER_H_