Add flag to override Effective Connection Type

net/nqe/network_quality_estimator_unittest.cc

 // 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.
 
 #include "net/nqe/network_quality_estimator.h"
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <limits>
@@ skipping 2768 matching lines @@
   estimator.RunOneRequest();
   EXPECT_EQ(0u, observer.get_notification_received_and_reset());
 }
 
 // Tests that the value of the effective connection type can be forced through
 // field trial parameters.
 TEST(NetworkQualityEstimatorTest,
      ForceEffectiveConnectionTypeThroughFieldTrial) {
   for (int i = 0; i < EFFECTIVE_CONNECTION_TYPE_LAST; ++i) {
     std::map<std::string, std::string> variation_params;
-    variation_params["force_effective_connection_type"] =
+    variation_params[kForceEffectiveConnectionType] =
         GetNameForEffectiveConnectionType(
             static_cast<EffectiveConnectionType>(i));
     TestNetworkQualityEstimator estimator(variation_params);
 
     TestEffectiveConnectionTypeObserver observer;
     estimator.AddEffectiveConnectionTypeObserver(&observer);
     // |observer| may be notified as soon as it is added. Run the loop to so
     // that the notification to |observer| is finished.
     base::RunLoop().RunUntilIdle();
 
@@ skipping 340 matching lines @@
 
   // Cleanup.
   estimator.RemoveRTTObserver(&rtt_observer);
   estimator.RemoveThroughputObserver(&throughput_observer);
   estimator.RemoveRTTAndThroughputEstimatesObserver(&rtt_throughput_observer);
   estimator.RemoveEffectiveConnectionTypeObserver(
       &effective_connection_type_observer);
 }
 
 }  // namespace net