Move Network Quality Estimator files to //net/nqe

net/base/socket_performance_watcher_factory.h

-// Copyright 2015 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 NET_BASE_SOCKET_PERFORMANCE_WATCHER_FACTORY_H_
-#define NET_BASE_SOCKET_PERFORMANCE_WATCHER_FACTORY_H_
-
-#include <memory>
-
-#include "base/macros.h"
-#include "net/base/net_export.h"
-
-namespace net {
-
-class SocketPerformanceWatcher;
-
-// SocketPerformanceWatcherFactory creates socket performance watcher for
-// different type of sockets.
-class NET_EXPORT_PRIVATE SocketPerformanceWatcherFactory {
- public:
-  // Transport layer protocol used by the socket that are supported by
-  // |SocketPerformanceWatcherFactory|.
-  enum Protocol { PROTOCOL_TCP, PROTOCOL_QUIC };
-
-  virtual ~SocketPerformanceWatcherFactory() {}
-
-  // Creates a socket performance watcher that will record statistics for a
-  // single socket that uses |protocol| as the transport layer protocol.
-  // Implementations must return a valid, unique SocketRecorder for every call;
-  // recorders must not be shared across calls or objects, nor is nullptr valid.
-  virtual std::unique_ptr<SocketPerformanceWatcher>
-  CreateSocketPerformanceWatcher(const Protocol protocol) = 0;
-
- protected:
-  SocketPerformanceWatcherFactory() {}
-
- private:
-  DISALLOW_COPY_AND_ASSIGN(SocketPerformanceWatcherFactory);
-};
-
-}  // namespace net
-
-#endif  // NET_BASE_SOCKET_PERFORMANCE_WATCHER_FACTORY_H_