Enable QUIC for non core data saver proxies

components/data_reduction_proxy/core/browser/data_reduction_proxy_delegate.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_delegate.h"
 
 #include <cmath>
 
 #include "base/command_line.h"
 #include "base/metrics/histogram_macros.h"
@@ skipping 226 matching lines @@
   }
 
   RecordGetDefaultAlternativeProxy(DEFAULT_ALTERNATIVE_PROXY_STATUS_AVAILABLE);
   return proxy_server;
 }
 
 bool DataReductionProxyDelegate::SupportsQUIC(
     const net::ProxyServer& proxy_server) const {
   DCHECK(thread_checker_.CalledOnValidThread());
   // Enable QUIC for whitelisted proxies.
-  // TODO(tbansal):  Use client config service to control this whitelist.
-  return base::CommandLine::ForCurrentProcess()->HasSwitch(
-             switches::kDataReductionProxyEnableQuicOnNonCoreProxies) ||
+  return params::IsQuicForNonCoreProxiesEnabled() ||

[megjablon, 2017/05/10 23:11:24]

suggestion: IsQuicEnabledForNonCoreProxies reads a little better

[tbansal1, 2017/05/11 01:29:28]

Done.

          proxy_server ==
              net::ProxyServer(net::ProxyServer::SCHEME_HTTPS,
                               net::HostPortPair(kDataReductionCoreProxy, 443));
 }
 
 void DataReductionProxyDelegate::RecordQuicProxyStatus(
     QuicProxyStatus status) const {
   DCHECK(thread_checker_.CalledOnValidThread());
   UMA_HISTOGRAM_ENUMERATION("DataReductionProxy.Quic.ProxyStatus", status,
                             QUIC_PROXY_STATUS_BOUNDARY);
@@ skipping 48 matching lines @@
   if (data_reduction_proxy_config.enabled_by_user_and_reachable() &&
       url.SchemeIs(url::kHttpScheme) && !net::IsLocalhost(url.host_piece()) &&
       !params::IsIncludedInHoldbackFieldTrial()) {
     UMA_HISTOGRAM_BOOLEAN(
         "DataReductionProxy.ConfigService.HTTPRequests",
         !data_reduction_proxy_config.GetProxiesForHttp().empty());
   }
 }
 
 }  // namespace data_reduction_proxy