Enable QUIC for proxies only when QUIC is enabled

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 "base/memory/ptr_util.h"
@@ skipping 36 matching lines @@
 #endif
 }
 
 } // namespace
 
 std::unique_ptr<data_reduction_proxy::DataReductionProxyIOData>
 CreateDataReductionProxyChromeIOData(
     net::NetLog* net_log,
     PrefService* prefs,
     const scoped_refptr<base::SingleThreadTaskRunner>& io_task_runner,
-    const scoped_refptr<base::SingleThreadTaskRunner>& ui_task_runner,
-    bool enable_quic) {
+    const scoped_refptr<base::SingleThreadTaskRunner>& ui_task_runner) {
   DCHECK(net_log);
   DCHECK(prefs);
 
   int flags = DataReductionProxyParams::kAllowed |
               DataReductionProxyParams::kFallbackAllowed;
   if (data_reduction_proxy::params::IsIncludedInPromoFieldTrial())
     flags |= DataReductionProxyParams::kPromoAllowed;
   if (data_reduction_proxy::params::IsIncludedInHoldbackFieldTrial())
     flags |= DataReductionProxyParams::kHoldback;
 #if defined(OS_ANDROID)
   if (data_reduction_proxy::params::IsIncludedInAndroidOnePromoFieldTrial(
           base::android::BuildInfo::GetInstance()->android_build_fp())) {
     flags |= DataReductionProxyParams::kPromoAllowed;
   }
 #endif
 
   bool enabled =
       prefs->GetBoolean(prefs::kDataSaverEnabled) ||
       data_reduction_proxy::params::ShouldForceEnableDataReductionProxy();
   std::unique_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()));
+              io_task_runner, ui_task_runner, enabled, GetUserAgent()));
 
   data_reduction_proxy_io_data->set_lofi_decider(
       base::WrapUnique(new data_reduction_proxy::ContentLoFiDecider()));
   data_reduction_proxy_io_data->set_lofi_ui_service(
       base::WrapUnique(new data_reduction_proxy::ContentLoFiUIService(
           ui_task_runner, base::Bind(&OnLoFiResponseReceivedOnUI))));
 
   return data_reduction_proxy_io_data;
 }