Remove unused DataReductionProxy code

chrome/browser/net/spdyproxy/data_reduction_proxy_chrome_io_data.cc

 // Copyright 2015 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.
 
 #include "chrome/browser/net/spdyproxy/data_reduction_proxy_chrome_io_data.h"
 
 #include <utility>
 
 #include "base/bind.h"
 #include "build/build_config.h"
 #include "chrome/browser/net/spdyproxy/data_reduction_proxy_chrome_settings.h"
 #include "chrome/common/chrome_content_client.h"
 #include "chrome/common/pref_names.h"
 #include "components/data_reduction_proxy/content/browser/content_lofi_decider.h"
 #include "components/data_reduction_proxy/content/browser/content_lofi_ui_service.h"
-#include "components/data_reduction_proxy/core/browser/data_reduction_proxy_config_retrieval_params.h"
-#include "components/data_reduction_proxy/core/browser/data_reduction_proxy_experiments_stats.h"
 #include "components/data_reduction_proxy/core/browser/data_reduction_proxy_io_data.h"
 #include "components/data_reduction_proxy/core/common/data_reduction_proxy_params.h"
 #include "components/prefs/pref_service.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/web_contents.h"
 
 #if defined(OS_ANDROID)
 #include "base/android/build_info.h"
 #include "chrome/browser/android/tab_android.h"
 #endif
@@ skipping 53 matching lines @@
 
   bool enabled =
       prefs->GetBoolean(prefs::kDataSaverEnabled) ||
       data_reduction_proxy::params::ShouldForceEnableDataReductionProxy();
   scoped_ptr<data_reduction_proxy::DataReductionProxyIOData>
       data_reduction_proxy_io_data(
           new data_reduction_proxy::DataReductionProxyIOData(
               DataReductionProxyChromeSettings::GetClient(), flags, net_log,
               io_task_runner, ui_task_runner, enabled, enable_quic,
               GetUserAgent()));
-  data_reduction_proxy_io_data->experiments_stats()->InitializeOnUIThread(
-      data_reduction_proxy::DataReductionProxyConfigRetrievalParams::Create(
-          prefs));
 
   data_reduction_proxy_io_data->set_lofi_decider(
       make_scoped_ptr(new data_reduction_proxy::ContentLoFiDecider()));
   data_reduction_proxy_io_data->set_lofi_ui_service(
       make_scoped_ptr(new data_reduction_proxy::ContentLoFiUIService(
           ui_task_runner,
           base::Bind(&OnLoFiResponseReceivedOnUI))));
 
 #if defined(ENABLE_DATA_REDUCTION_PROXY_DEBUGGING)
   scoped_ptr<data_reduction_proxy::ContentDataReductionProxyDebugUIService>
       data_reduction_proxy_ui_service(
           new data_reduction_proxy::ContentDataReductionProxyDebugUIService(
               base::Bind(&data_reduction_proxy::DataReductionProxyConfigurator::
                              GetProxyConfig,
                          base::Unretained(
                              data_reduction_proxy_io_data->configurator())),
               ui_task_runner, io_task_runner,
               g_browser_process->GetApplicationLocale()));
   data_reduction_proxy_io_data->set_debug_ui_service(
       std::move(data_reduction_proxy_ui_service));
 #endif
 
   return data_reduction_proxy_io_data;
 }