Remove unused DataReductionProxy code

components/components_tests.gyp

 # 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.
 
 {
   'variables': {
     # This turns on e.g. the filename-based detection of which
     # platforms to include source files on (e.g. files ending in
     # _mac.h or _mac.cc are only compiled on MacOSX).
     'chromium_code': 1,
@@ skipping 122 matching lines @@
     'crx_file_unittest_sources': [
       'crx_file/id_util_unittest.cc',
     ],
     'data_reduction_proxy_unittest_sources': [
       'data_reduction_proxy/content/browser/content_lofi_decider_unittest.cc',
       'data_reduction_proxy/content/browser/content_lofi_ui_service_unittest.cc',
       'data_reduction_proxy/content/browser/data_reduction_proxy_message_filter_unittest.cc',
       'data_reduction_proxy/core/browser/data_reduction_proxy_bypass_protocol_unittest.cc',
       'data_reduction_proxy/core/browser/data_reduction_proxy_bypass_stats_unittest.cc',
       'data_reduction_proxy/core/browser/data_reduction_proxy_compression_stats_unittest.cc',
-      'data_reduction_proxy/core/browser/data_reduction_proxy_config_retrieval_params_unittest.cc',
       'data_reduction_proxy/core/browser/data_reduction_proxy_config_service_client_unittest.cc',
       'data_reduction_proxy/core/browser/data_reduction_proxy_config_unittest.cc',
       'data_reduction_proxy/core/browser/data_reduction_proxy_configurator_unittest.cc',
       'data_reduction_proxy/core/browser/data_reduction_proxy_delegate_unittest.cc',
-      'data_reduction_proxy/core/browser/data_reduction_proxy_experiments_stats_unittest.cc',
       'data_reduction_proxy/core/browser/data_reduction_proxy_interceptor_unittest.cc',
       'data_reduction_proxy/core/browser/data_reduction_proxy_io_data_unittest.cc',
       'data_reduction_proxy/core/browser/data_reduction_proxy_metrics_unittest.cc',
       'data_reduction_proxy/core/browser/data_reduction_proxy_mutable_config_values_unittest.cc',
       'data_reduction_proxy/core/browser/data_reduction_proxy_network_delegate_unittest.cc',
       'data_reduction_proxy/core/browser/data_reduction_proxy_prefs_unittest.cc',
       'data_reduction_proxy/core/browser/data_reduction_proxy_request_options_unittest.cc',
       'data_reduction_proxy/core/browser/data_reduction_proxy_settings_unittest.cc',
       'data_reduction_proxy/core/browser/data_reduction_proxy_tamper_detection_unittest.cc',
       'data_reduction_proxy/core/browser/data_usage_store_unittest.cc',
@@ skipping 1734 matching lines @@
               'dependencies': [
                 '../tools/xdisplaycheck/xdisplaycheck.gyp:xdisplaycheck',
               ],
             }],
           ],
         },
       ],
     }],
   ],
 }