Use net::TestNetworkQualityEstimator for data reduction proxy tests

net/BUILD.gn

 # Copyright (c) 2013 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.
 
 import("//build/buildflag_header.gni")
 import("//build/config/chromecast_build.gni")
 import("//build/config/compiler/compiler.gni")
 import("//build/config/crypto.gni")
 import("//build/config/features.gni")
 import("//build/config/ui.gni")
@@ skipping 513 matching lines @@
     "http/http_stream_factory_test_util.cc",
     "http/http_stream_factory_test_util.h",
     "http/http_transaction_test_util.cc",
     "http/http_transaction_test_util.h",
     "log/test_net_log.cc",
     "log/test_net_log.h",
     "log/test_net_log_entry.cc",
     "log/test_net_log_entry.h",
     "log/test_net_log_util.cc",
     "log/test_net_log_util.h",
+    "nqe/network_quality_estimator_test_util.cc",
+    "nqe/network_quality_estimator_test_util.h",
     "proxy/mock_proxy_resolver.cc",
     "proxy/mock_proxy_resolver.h",
     "proxy/mock_proxy_script_fetcher.cc",
     "proxy/mock_proxy_script_fetcher.h",
     "proxy/proxy_config_service_common_unittest.cc",
     "proxy/proxy_config_service_common_unittest.h",
     "socket/socket_test_util.cc",
     "socket/socket_test_util.h",
     "test/cert_test_util.cc",
     "test/cert_test_util.h",
@@ skipping 1511 matching lines @@
   sources = [
     "http/http_auth_challenge_tokenizer_fuzzer.cc",
   ]
   deps = [
     ":net_fuzzer_test_support",
     ":test_support",
     "//base",
     "//net",
   ]
 }