Add Network Quality Estimator (NQE) pref manager

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 1985 matching lines @@
   size_t notification_received_;
   DISALLOW_COPY_AND_ASSIGN(TestNetworkQualitiesCacheObserver);
 };
 
 TEST(NetworkQualityEstimatorTest, CacheObserver) {
   TestNetworkQualitiesCacheObserver observer;
   std::map<std::string, std::string> variation_params;
   TestNetworkQualityEstimator estimator(variation_params);
 
   // Add |observer| as a persistent caching observer.
-  estimator.NetworkQualityStoreForTesting()->AddNetworkQualitiesCacheObserver(
-      &observer);
+  estimator.AddNetworkQualitiesCacheObserver(&observer);
 
   estimator.set_recent_effective_connection_type(EFFECTIVE_CONNECTION_TYPE_3G);
   estimator.SimulateNetworkChange(
       NetworkChangeNotifier::ConnectionType::CONNECTION_UNKNOWN, "test3g");
   estimator.RunOneRequest();
   EXPECT_EQ(1u, observer.get_notification_received_and_reset());
   EXPECT_EQ("test3g", observer.network_id().id);
 
   estimator.set_recent_effective_connection_type(EFFECTIVE_CONNECTION_TYPE_2G);
   estimator.SimulateNetworkChange(
@@ skipping 12 matching lines @@
   estimator.RunOneRequest();
   estimator.RunOneRequest();
   estimator.RunOneRequest();
   EXPECT_EQ(1u, observer.get_notification_received_and_reset());
 
   estimator.set_recent_effective_connection_type(EFFECTIVE_CONNECTION_TYPE_2G);
   estimator.RunOneRequest();
   EXPECT_EQ(1u, observer.get_notification_received_and_reset());
 
   // Remove |observer|, and it should not receive any notifications.
-  estimator.NetworkQualityStoreForTesting()
-      ->RemoveNetworkQualitiesCacheObserver(&observer);
+  estimator.RemoveNetworkQualitiesCacheObserver(&observer);
   estimator.set_recent_effective_connection_type(EFFECTIVE_CONNECTION_TYPE_3G);
   estimator.SimulateNetworkChange(
       NetworkChangeNotifier::ConnectionType::CONNECTION_2G, "test2g");
   EXPECT_EQ(0u, observer.get_notification_received_and_reset());
   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.
@@ skipping 32 matching lines @@
     if (expected_count == 1) {
       EffectiveConnectionType last_notified_type =
           observer.effective_connection_types().at(
               observer.effective_connection_types().size() - 1);
       EXPECT_EQ(i, last_notified_type);
     }
   }
 }
 
 }  // namespace net