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

net/quic/quic_network_transaction_unittest.cc

 // Copyright (c) 2012 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 <vector>
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/stl_util.h"
@@ skipping 402 matching lines @@
       net::NetLog::TYPE_QUIC_SESSION_STREAM_FRAME_RECEIVED,
       net::NetLog::PHASE_NONE);
   EXPECT_LT(0, pos);
 
   int log_stream_id;
   ASSERT_TRUE(entries[pos].GetIntegerValue("stream_id", &log_stream_id));
   EXPECT_EQ(3, log_stream_id);
 }
 
 TEST_P(QuicNetworkTransactionTest, QuicProxy) {
+  params_.enable_quic_for_proxies = true;
   proxy_service_.reset(
       ProxyService::CreateFixedFromPacResult("QUIC myproxy:70"));
 
   MockQuicData mock_quic_data;
   mock_quic_data.AddWrite(
       ConstructRequestHeadersPacket(1, kClientDataStreamId1, true, true,
                                     GetRequestHeaders("GET", "http", "/")));
   mock_quic_data.AddRead(
       ConstructResponseHeadersPacket(1, kClientDataStreamId1, false, false,
                                      GetResponseHeaders("200 OK")));
@@ skipping 630 matching lines @@
                          nullptr,
                          net_log_.bound());
 
   CreateSessionWithNextProtos();
   AddQuicAlternateProtocolMapping(MockCryptoClientStream::ZERO_RTT);
   SendRequestAndExpectHttpResponse("hello world");
 }
 
 }  // namespace test
 }  // namespace net