Enable QUIC for proxies based on Finch config and command line switch.

components/data_reduction_proxy/core/browser/data_reduction_proxy_settings.cc

 // 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.
 
 #include "components/data_reduction_proxy/core/browser/data_reduction_proxy_settings.h"
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/metrics/field_trial.h"
 #include "base/metrics/histogram.h"
@@ skipping 112 matching lines @@
       base::Bind(
           &DataReductionProxySettings::OnProxyAlternativeEnabledPrefChange,
           base::Unretained(this)));
 }
 
 void DataReductionProxySettings::InitDataReductionProxySettings(
     PrefService* prefs,
     scoped_ptr<DataReductionProxyStatisticsPrefs> statistics_prefs,
     net::URLRequestContextGetter* url_request_context_getter,
     net::NetLog* net_log,
-    DataReductionProxyEventStore* event_store) {
+    DataReductionProxyEventStore* event_store,
+    bool enable_quic) {
   DCHECK(thread_checker_.CalledOnValidThread());
   DCHECK(prefs);
   DCHECK(!statistics_prefs_);
   DCHECK(url_request_context_getter);
   DCHECK(event_store);
   prefs_ = prefs;
   statistics_prefs_ = statistics_prefs.Pass();
   url_request_context_getter_ = url_request_context_getter;
   net_log_ = net_log;
   event_store_ = event_store;
   InitPrefMembers();
   RecordDataReductionInit();
 
   // Disable the proxy if it is not allowed to be used.
   if (!params()->allowed())
     return;
 
+  params()->EnableQuic(enable_quic);
+
   AddDefaultProxyBypassRules();
   net::NetworkChangeNotifier::AddIPAddressObserver(this);
 }
 
 void DataReductionProxySettings::SetDataReductionProxyStatisticsPrefs(
     scoped_ptr<DataReductionProxyStatisticsPrefs> statistics_prefs) {
   statistics_prefs_ = statistics_prefs.Pass();
 }
 
 void DataReductionProxySettings::EnableCompressionStatisticsLogging(
@@ skipping 461 matching lines @@
     SetProxyConfigs(enabled_by_user_,
                     IsDataReductionProxyAlternativeEnabled(),
                     restricted_by_carrier_,
                     false);
   }
   disabled_on_vpn_ = false;
   return false;
 }
 
 }  // namespace data_reduction_proxy