Move Network Quality Estimator files to //net/nqe

net/base/external_estimate_provider.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_EXTERNAL_ESTIMATE_PROVIDER_H_
-#define NET_BASE_EXTERNAL_ESTIMATE_PROVIDER_H_
-
-#include <stdint.h>
-
-#include "base/macros.h"
-#include "base/time/time.h"
-#include "net/base/net_export.h"
-
-namespace net {
-
-// Base class used by external providers such as operating system APIs to
-// provide network quality estimates to NetworkQualityEstimator.
-class NET_EXPORT ExternalEstimateProvider {
- public:
-  class NET_EXPORT UpdatedEstimateDelegate {
-   public:
-    // Will be called when an updated estimate is available.
-    virtual void OnUpdatedEstimateAvailable() = 0;
-
-   protected:
-    UpdatedEstimateDelegate() {}
-    virtual ~UpdatedEstimateDelegate() {}
-
-   private:
-    DISALLOW_COPY_AND_ASSIGN(UpdatedEstimateDelegate);
-  };
-
-  ExternalEstimateProvider() {}
-  virtual ~ExternalEstimateProvider() {}
-
-  // Returns true if the estimated RTT duration is available, and sets |rtt|
-  // to the estimate.
-  virtual bool GetRTT(base::TimeDelta* rtt) const = 0;
-
-  // Returns true if the estimated downstream throughput (in Kbps -- Kilobits
-  // per second) is available, and sets |downstream_throughput_kbps| to the
-  // estimate.
-  virtual bool GetDownstreamThroughputKbps(
-      int32_t* downstream_throughput_kbps) const = 0;
-
-  // Returns true if the estimated upstream throughput (in Kbps -- Kilobits
-  // per second) is available, and sets |upstream_throughput_kbps| to the
-  // estimate.
-  virtual bool GetUpstreamThroughputKbps(
-      int32_t* upstream_throughput_kbps) const = 0;
-
-  // Returns true if the time since network quality was last updated is
-  // available, and sets |time_since_last_update| to that value.
-  virtual bool GetTimeSinceLastUpdate(
-      base::TimeDelta* time_since_last_update) const = 0;
-
-  // Sets delegate that is notified when an updated estimate is available.
-  // |delegate| should outlive |ExternalEstimateProvider|.
-  virtual void SetUpdatedEstimateDelegate(
-      UpdatedEstimateDelegate* delegate) = 0;
-
-  // Requests an updated network quality estimate from the external estimate
-  // provider.
-  virtual void Update() const = 0;
-
- private:
-  DISALLOW_COPY_AND_ASSIGN(ExternalEstimateProvider);
-};
-
-}  // namespace net
-
-#endif  // NET_BASE_EXTERNAL_ESTIMATE_PROVIDER_H_