Use net::TestNetworkQualityEstimator for data reduction proxy tests

net/net.gypi

 # Copyright 2014 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.
 
 # This file is shared between the regular GYP build, the NaCl GYP build, and
 # the GN build. For GN support, it must have no conditionals or anything like
 # that beyond the simple one-level-deep dictionary of values.
 {
   'variables': {
     # Subset of net source files that are compiled for NaCl (net_nacl target).
@@ skipping 1577 matching lines @@
       'http/transport_security_state_unittest.cc',
       'http/url_security_manager_unittest.cc',
       'log/net_log_capture_mode_unittest.cc',
       'log/net_log_unittest.cc',
       'log/net_log_util_unittest.cc',
       'log/trace_net_log_observer_unittest.cc',
       'log/write_to_file_net_log_observer_unittest.cc',
       'log/bounded_file_net_log_observer_unittest.cc',
       'nqe/effective_connection_type_unittest.cc',
       'nqe/network_qualities_prefs_manager_unittest.cc',
-      'nqe/network_quality_estimator_test_util.cc',
-      'nqe/network_quality_estimator_test_util.h',
       'nqe/network_quality_estimator_unittest.cc',
       'nqe/network_quality_observation_unittest.cc',
       'nqe/network_quality_store_unittest.cc',
       'nqe/throughput_analyzer_unittest.cc',
       'proxy/dhcp_proxy_script_adapter_fetcher_win_unittest.cc',
       'proxy/dhcp_proxy_script_fetcher_factory_unittest.cc',
       'proxy/dhcp_proxy_script_fetcher_win_unittest.cc',
       'proxy/mojo_proxy_resolver_factory_impl_unittest.cc',
       'proxy/mojo_proxy_resolver_impl_unittest.cc',
       'proxy/mojo_proxy_resolver_v8_tracing_bindings_unittest.cc',
@@ skipping 1647 matching lines @@
       'third_party/nist-pkits/crls/requireExplicitPolicy5subCACRL.crl',
       'third_party/nist-pkits/crls/requireExplicitPolicy5subsubCACRL.crl',
       'third_party/nist-pkits/crls/requireExplicitPolicy5subsubsubCACRL.crl',
       'third_party/nist-pkits/crls/requireExplicitPolicy7CACRL.crl',
       'third_party/nist-pkits/crls/requireExplicitPolicy7subCARE2CRL.crl',
       'third_party/nist-pkits/crls/requireExplicitPolicy7subsubCARE2RE4CRL.crl',
       'third_party/nist-pkits/crls/requireExplicitPolicy7subsubsubCARE2RE4CRL.crl',
     ],
   }
 }