Remove unnecessary DRPConfiguratorTestUtils and add more DRPConfig tests

components/data_reduction_proxy/core/browser/BUILD.gn

 # 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.
 
 browser_sources = [
   "data_reduction_proxy_bypass_protocol.cc",
   "data_reduction_proxy_bypass_protocol.h",
   "data_reduction_proxy_bypass_stats.cc",
   "data_reduction_proxy_bypass_stats.h",
   "data_reduction_proxy_compression_stats.cc",
@@ skipping 81 matching lines @@
   if (!is_ios) {
     defines += [ "USE_GOOGLE_API_KEYS_FOR_AUTH_KEY" ]
   }
 }
 
 source_set("test_support") {
   testonly = true
   sources = [
     "data_reduction_proxy_config_test_utils.cc",
     "data_reduction_proxy_config_test_utils.h",
-    "data_reduction_proxy_configurator_test_utils.cc",
-    "data_reduction_proxy_configurator_test_utils.h",
     "data_reduction_proxy_settings_test_utils.cc",
     "data_reduction_proxy_settings_test_utils.h",
     "data_reduction_proxy_test_utils.cc",
     "data_reduction_proxy_test_utils.h",
   ]
 
   configs += [ "//build/config/compiler:no_size_t_to_int_warning" ]
 
   public_deps = [
     ":browser",
@@ skipping 62 matching lines @@
     "//base/test:test_support",
     "//components/data_reduction_proxy/core/common:test_support",
     "//components/data_reduction_proxy/proto:data_reduction_proxy_proto",
     "//components/prefs:test_support",
     "//components/variations",
     "//net:test_support",
     "//testing/gmock",
     "//testing/gtest",
   ]
 }