Reduce SpdyHeaderBlock copies with move semantics.

net/quic/quic_stream_factory_test.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 "net/quic/quic_stream_factory.h"
 
 #include <ostream>
+#include <utility>
 
 #include "base/run_loop.h"
 #include "base/strings/string_util.h"
 #include "base/threading/thread_task_runner_handle.h"
 #include "net/cert/cert_verifier.h"
 #include "net/cert/ct_policy_enforcer.h"
 #include "net/cert/multi_log_ct_verifier.h"
 #include "net/dns/mock_host_resolver.h"
 #include "net/http/http_response_headers.h"
 #include "net/http/http_response_info.h"
@@ skipping 432 matching lines @@
       QuicStreamId stream_id,
       bool should_include_version,
       bool fin) {
     SpdyHeaderBlock headers =
         client_maker_.GetRequestHeaders("GET", "https", "/");
     SpdyPriority priority =
         ConvertRequestPriorityToQuicPriority(DEFAULT_PRIORITY);
     size_t spdy_headers_frame_len;
     return client_maker_.MakeRequestHeadersPacket(
         packet_number, stream_id, should_include_version, fin, priority,
-        headers, &spdy_headers_frame_len);
+        std::move(headers), &spdy_headers_frame_len);
   }
 
   std::unique_ptr<QuicEncryptedPacket> ConstructOkResponsePacket(
       QuicPacketNumber packet_number,
       QuicStreamId stream_id,
       bool should_include_version,
       bool fin) {
     SpdyHeaderBlock headers = server_maker_.GetResponseHeaders("200 OK");
     size_t spdy_headers_frame_len;
     return server_maker_.MakeResponseHeadersPacket(
-        packet_number, stream_id, should_include_version, fin, headers,
-        &spdy_headers_frame_len);
+        packet_number, stream_id, should_include_version, fin,
+        std::move(headers), &spdy_headers_frame_len);
   }
 
   MockHostResolver host_resolver_;
   MockClientSocketFactory socket_factory_;
   MockCryptoClientStreamFactory crypto_client_stream_factory_;
   MockRandom random_generator_;
   MockClock* clock_;  // Owned by |factory_| once created.
   scoped_refptr<TestTaskRunner> runner_;
   QuicVersion version_;
   QuicTestPacketMaker client_maker_;
@@ skipping 3847 matching lines @@
   EXPECT_NE(session1, session2);
 
   EXPECT_EQ(QuicServerId(origin1_, privacy_mode_), session1->server_id());
   EXPECT_EQ(QuicServerId(origin2_, privacy_mode_), session2->server_id());
 
   EXPECT_TRUE(AllDataConsumed());
 }
 
 }  // namespace test
 }  // namespace net