Add network quality change events to net log

net/nqe/network_quality_estimator_test_util.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_TEST_UTIL_H_
 #define NET_NQE_NETWORK_QUALITY_ESTIMATOR_TEST_UTIL_H_
 
 #include <map>
 #include <memory>
 #include <string>
 #include <vector>
 
 #include "base/files/file_path.h"
 #include "base/macros.h"
 #include "base/optional.h"
 #include "base/time/time.h"
 #include "net/base/network_change_notifier.h"
+#include "net/log/net_log.h"
 #include "net/nqe/effective_connection_type.h"
 #include "net/nqe/network_quality_estimator.h"
 #include "net/test/embedded_test_server/embedded_test_server.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "url/gurl.h"
 
 namespace net {
 
+class BoundTestNetLog;
 class ExternalEstimateProvider;
 
 // Helps in setting the current network type and id.
 class TestNetworkQualityEstimator : public NetworkQualityEstimator {
  public:
   TestNetworkQualityEstimator();
 
   explicit TestNetworkQualityEstimator(
       const std::map<std::string, std::string>& variation_params);
 
   TestNetworkQualityEstimator(
       const std::map<std::string, std::string>& variation_params,
       std::unique_ptr<net::ExternalEstimateProvider>
           external_estimate_provider);
 
   TestNetworkQualityEstimator(
       std::unique_ptr<net::ExternalEstimateProvider> external_estimate_provider,
       const std::map<std::string, std::string>& variation_params,
       bool allow_local_host_requests_for_tests,
       bool allow_smaller_responses_for_tests,
-      bool add_default_platform_observations);
+      bool add_default_platform_observations,
+      std::unique_ptr<BoundTestNetLog> net_log);
 
   ~TestNetworkQualityEstimator() override;
 
   // Runs one URL request to completion.
   void RunOneRequest();
 
   // Overrides the current network type and id.
   // Notifies network quality estimator of a change in connection.
   void SimulateNetworkChange(
       NetworkChangeNotifier::ConnectionType new_connection_type,
@@ skipping 111 matching lines @@
   void SetAccuracyRecordingIntervals(
       const std::vector<base::TimeDelta>& accuracy_recording_intervals);
 
   const std::vector<base::TimeDelta>& GetAccuracyRecordingIntervals()
       const override;
 
   void set_rand_double(double rand_double) { rand_double_ = rand_double; }
 
   double RandDouble() const override;
 
+  // Returns the number of entries in |net_log_| that have type set to |type|.
+  int GetEntriesCount(NetLogEventType type) const;
+
   using NetworkQualityEstimator::SetTickClockForTesting;
   using NetworkQualityEstimator::OnConnectionTypeChanged;
 
  private:
   class LocalHttpTestServer : public EmbeddedTestServer {
    public:
     explicit LocalHttpTestServer(const base::FilePath& document_root);
   };
 
   // NetworkQualityEstimator implementation that returns the overridden
@@ skipping 28 matching lines @@
   // values. |start_time_null_downlink_throughput_kbps_| is returned if the
   // |start_time| is null. Otherwise, |recent_downlink_throughput_kbps_| is
   // returned.
   base::Optional<int32_t> start_time_null_downlink_throughput_kbps_;
   base::Optional<int32_t> recent_downlink_throughput_kbps_;
 
   double rand_double_;
 
   LocalHttpTestServer embedded_test_server_;
 
+  // Net log provided to network quality estimator.
+  std::unique_ptr<net::BoundTestNetLog> net_log_;
+
   DISALLOW_COPY_AND_ASSIGN(TestNetworkQualityEstimator);
 };
 
 }  // namespace net
 
 #endif  // NET_NQE_NETWORK_QUALITY_ESTIMATOR_TEST_UTIL_H_