Make Data Reduction Proxy a best effort proxy

chrome/browser/profiles/off_the_record_profile_impl.cc

Index: chrome/browser/profiles/off_the_record_profile_impl.cc
diff --git a/chrome/browser/profiles/off_the_record_profile_impl.cc b/chrome/browser/profiles/off_the_record_profile_impl.cc
index 4b8f7e7ac5613506a7930c64938a3f7ec9c4ddd3..c6545e802c624ff709f8c8b8b2b1d78ca42ddc74 100644
--- a/chrome/browser/profiles/off_the_record_profile_impl.cc
+++ b/chrome/browser/profiles/off_the_record_profile_impl.cc
@@ -23,7 +23,6 @@
 #include "chrome/browser/net/chrome_url_request_context_getter.h"
 #include "chrome/browser/net/pref_proxy_config_tracker.h"
 #include "chrome/browser/net/proxy_service_factory.h"
-#include "chrome/browser/net/spdyproxy/data_reduction_proxy_chrome_configurator.h"
 #include "chrome/browser/plugins/chrome_plugin_service_filter.h"
 #include "chrome/browser/plugins/plugin_prefs.h"
 #include "chrome/browser/prefs/incognito_mode_prefs.h"
@@ -133,9 +132,6 @@ void OffTheRecordProfileImpl::Init() {
          IncognitoModePrefs::GetAvailability(profile_->GetPrefs()) !=
              IncognitoModePrefs::DISABLED);
 
-  // Clear the proxy pref if and only if the data reduction proxy is specified.
-  DataReductionProxyChromeConfigurator::DisableInProxyConfigPref(prefs_);
-
   // TODO(oshima): Remove the need to eagerly initialize the request context
   // getter. chromeos::OnlineAttempt is illegally trying to access this
   // Profile member from a thread other than the UI thread, so we need to