Add flag to override Effective Connection Type

net/nqe/network_quality_estimator_params.h

 // Copyright 2016 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_PARAMS_H_
 #define NET_NQE_NETWORK_QUALITY_ESTIMATOR_PARAMS_H_
 
 #include <map>
 #include <string>
 
 #include "base/macros.h"
 #include "base/threading/thread_checker.h"
+#include "net/base/net_export.h"
 #include "net/base/network_change_notifier.h"
 #include "net/nqe/effective_connection_type.h"
 #include "net/nqe/network_quality.h"
 
 namespace net {
 
+// Forces NQE to return a specific effective connection type. Set using the
+// |params| provided to the NetworkQualityEstimatorParams constructor.
+NET_EXPORT extern const char kForceEffectiveConnectionType[];
+
 namespace nqe {
 
 namespace internal {
 
 // NetworkQualityEstimatorParams computes the configuration parameters for
 // the network quality estimator.
 class NetworkQualityEstimatorParams {
  public:
   // |params| is the map containing all field trial parameters related to
   // NetworkQualityEstimator field trial.
@@ skipping 67 matching lines @@
   DISALLOW_COPY_AND_ASSIGN(NetworkQualityEstimatorParams);
 };
 
 }  // namespace internal
 
 }  // namespace nqe
 
 }  // namespace net
 
 #endif  // NET_NQE_NETWORK_QUALITY_ESTIMATOR_PARAMS_H_