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

components/data_reduction_proxy/core/common/data_reduction_proxy_params.cc

Index: components/data_reduction_proxy/core/common/data_reduction_proxy_params.cc
diff --git a/components/data_reduction_proxy/core/common/data_reduction_proxy_params.cc b/components/data_reduction_proxy/core/common/data_reduction_proxy_params.cc
index 2c48e9d474cfd409f7a39b0a0759b3245e24949a..02a1cbf7b6cc1af23bb759ea2227f90ff744d9fb 100644
--- a/components/data_reduction_proxy/core/common/data_reduction_proxy_params.cc
+++ b/components/data_reduction_proxy/core/common/data_reduction_proxy_params.cc
@@ -30,7 +30,8 @@ using base::FieldTrialList;
 namespace {
 
 const char kEnabled[] = "Enabled";
-const char kDefaultOrigin[] = "https://proxy.googlezip.net:443";
+const char kDefaultSpdyOrigin[] = "https://proxy.googlezip.net:443";
+const char kDefaultQuicOrigin[] = "quic://proxy.googlezip.net:443";
 const char kDevOrigin[] = "https://proxy-dev.googlezip.net:443";
 const char kDevFallbackOrigin[] = "proxy-dev.googlezip.net:80";
 const char kDefaultFallbackOrigin[] = "compress.googlezip.net:80";
@@ -44,6 +45,8 @@ const char kDefaultProbeUrl[] = "http://check.googlezip.net/connect";
 const char kDefaultWarmupUrl[] = "http://www.gstatic.com/generate_204";
 
 const char kAndroidOneIdentifier[] = "sprout";
+
+const char kQuicFieldTrial[] = "DataReductionProxyUseQuic";
 }  // namespace
 
 namespace data_reduction_proxy {
@@ -104,6 +107,24 @@ bool DataReductionProxyParams::IsLoFiEnabled() {
       data_reduction_proxy::switches::kEnableDataReductionProxyLoFi);
 }
 
+// static
+bool DataReductionProxyParams::IsIncludedInQuicFieldTrial() {
+  return FieldTrialList::FindFullName(kQuicFieldTrial) == kEnabled;
+}
+
+// static
+std::string DataReductionProxyParams::GetQuicFieldTrialName() {
+  return kQuicFieldTrial;
+}
+
+void DataReductionProxyParams::EnableQuic(bool enable) {
+  quic_enabled_ = enable;
+  DCHECK(!quic_enabled_ || IsIncludedInQuicFieldTrial());
+  if (command_line_origin_.empty() && quic_enabled_)
+    origin_ = net::ProxyServer::FromURI(kDefaultQuicOrigin,
+                                        net::ProxyServer::SCHEME_HTTP);
+}
+
 DataReductionProxyTypeInfo::DataReductionProxyTypeInfo()
     : proxy_servers(),
       is_fallback(false),
@@ -298,6 +319,7 @@ void DataReductionProxyParams::InitWithoutChecks() {
   // command line.
   if (origin.empty())
     origin = GetDefaultDevOrigin();
+  command_line_origin_ = origin;
   if (origin.empty())
     origin = GetDefaultOrigin();
   if (fallback_origin.empty())
@@ -526,7 +548,8 @@ bool DataReductionProxyParams::IsProxyBypassed(
 
 // TODO(kundaji): Remove tests for macro definitions.
 std::string DataReductionProxyParams::GetDefaultOrigin() const {
-  return kDefaultOrigin;
+  return quic_enabled_ ?
+      kDefaultQuicOrigin : kDefaultSpdyOrigin;
 }
 
 std::string DataReductionProxyParams::GetDefaultFallbackOrigin() const {