Enable NQE when Cronet Engine is built

net/nqe/network_quality_estimator.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_NQE_NETWORK_QUALITY_ESTIMATOR_H_
 #define NET_NQE_NETWORK_QUALITY_ESTIMATOR_H_
 
 #include <stdint.h>
 
 #include <map>
@@ skipping 251 matching lines @@
   SocketPerformanceWatcherFactory* GetSocketPerformanceWatcherFactory();
 
   // Returns a string equivalent to |type|.
   static const char* GetNameForEffectiveConnectionType(
       EffectiveConnectionType type);
 
   // Returns an EffectiveConnectionType equivalent to |connection_type_name|.
   static EffectiveConnectionType GetEffectiveConnectionTypeForName(
       const std::string& connection_type_name);
 
+  // |use_localhost_requests| should only be true when testing against local
+  // HTTP server and allows the requests to local host to be used for network
+  // quality estimation.
+  void SetUseLocalHostRequestsForTesting(bool use_localhost_requests);
+
+  // |use_smaller_responses_for_tests| should only be true when testing.
+  // Allows the responses smaller than |kMinTransferSizeInBits| to be used for
+  // network quality estimation.
+  void SetUseSmallResponsesForTesting(bool use_small_responses);
+
  protected:
   // NetworkID is used to uniquely identify a network.
   // For the purpose of network quality estimation and caching, a network is
   // uniquely identified by a combination of |type| and
   // |id|. This approach is unable to distinguish networks with
   // same name (e.g., different Wi-Fi networks with same SSID).
   // This is a protected member to expose it to tests.
   struct NET_EXPORT_PRIVATE NetworkID {
     NetworkID(NetworkChangeNotifier::ConnectionType type, const std::string& id)
         : type(type), id(id) {}
@@ skipping 205 matching lines @@
     EXTERNAL_ESTIMATE_PROVIDER_STATUS_DOWNLINK_BANDWIDTH_AVAILABLE,
     EXTERNAL_ESTIMATE_PROVIDER_STATUS_BOUNDARY
   };
 
   // Records the metrics related to external estimate provider.
   void RecordExternalEstimateProviderMetrics(
       NQEExternalEstimateProviderStatus status) const;
 
   // Determines if the requests to local host can be used in estimating the
   // network quality. Set to true only for tests.
-  const bool use_localhost_requests_;
+  bool use_localhost_requests_;
 
   // Determines if the responses smaller than |kMinTransferSizeInBytes|
   // or shorter than |kMinTransferSizeInBytes| can be used in estimating the
   // network quality. Set to true only for tests.
-  const bool use_small_responses_;
+  bool use_small_responses_;
 
   // The factor by which the weight of an observation reduces every second.
   const double weight_multiplier_per_second_;
 
   // Algorithm to use for computing effective connection type. The value is
   // obtained from field trial parameters. If the value from field trial
   // parameters is unavailable, it is set to
   // kDefaultEffectiveConnectionTypeAlgorithm.
   const EffectiveConnectionTypeAlgorithm effective_connection_type_algorithm_;
 
@@ skipping 84 matching lines @@
   base::ThreadChecker thread_checker_;
 
   base::WeakPtrFactory<NetworkQualityEstimator> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(NetworkQualityEstimator);
 };
 
 }  // namespace net
 
 #endif  // NET_NQE_NETWORK_QUALITY_ESTIMATOR_H_