Pass value and use std::move instead of const reference for ack listeners.

net/tools/quic/quic_simple_server_session_test.cc

 // Copyright 2013 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/tools/quic/quic_simple_server_session.h"
 
 #include <algorithm>
 #include <memory>
 
 #include "base/macros.h"
@@ skipping 66 matching lines @@
   MOCK_METHOD3(WritePushPromiseMock,
                size_t(QuicStreamId original_stream_id,
                       QuicStreamId promised_stream_id,
                       const SpdyHeaderBlock& headers));
 
   size_t WriteHeaders(
       QuicStreamId stream_id,
       SpdyHeaderBlock headers,
       bool fin,
       SpdyPriority priority,
-      const scoped_refptr<QuicAckListenerInterface>& ack_listener) override {
+      scoped_refptr<QuicAckListenerInterface> ack_listener) override {
     return WriteHeadersMock(stream_id, headers, fin, priority, ack_listener);
   }
   MOCK_METHOD5(
       WriteHeadersMock,
       size_t(QuicStreamId stream_id,
              const SpdyHeaderBlock& headers,
              bool fin,
              SpdyPriority priority,
              const scoped_refptr<QuicAckListenerInterface>& ack_listener));
 };
@@ skipping 34 matching lines @@
                            alarm_factory,
                            perspective,
                            supported_versions) {}
 
   MOCK_METHOD5(
       SendStreamData,
       QuicConsumedData(QuicStreamId id,
                        QuicIOVector iov,
                        QuicStreamOffset offset,
                        bool fin,
-                       const scoped_refptr<QuicAckListenerInterface>& listern));
+                       scoped_refptr<QuicAckListenerInterface> listern));
 };
 
 class QuicSimpleServerSessionPeer {
  public:
   static void SetCryptoStream(QuicSimpleServerSession* s,
                               QuicCryptoServerStream* crypto_stream) {
     s->crypto_stream_.reset(crypto_stream);
     s->static_streams()[kCryptoStreamId] = crypto_stream;
   }
 
@@ skipping 466 matching lines @@
       .WillOnce(Return(QuicConsumedData(kStreamFlowControlWindowSize, false)));
 
   EXPECT_CALL(*connection_, SendBlocked(stream_to_open));
   QuicRstStreamFrame rst(stream_got_reset, QUIC_STREAM_CANCELLED, 0);
   visitor_->OnRstStream(rst);
 }
 
 }  // namespace
 }  // namespace test
 }  // namespace net