Replace QuicAckListenerInterface* with scoped_refptr<QuicAckListenerInterface>.

net/quic/test_tools/quic_test_utils.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/test_tools/quic_test_utils.h"
 
 #include <memory>
 
 #include "base/memory/ptr_util.h"
 #include "base/sha1.h"
@@ skipping 358 matching lines @@
   delete connection();
 }
 
 // static
 QuicConsumedData MockQuicSession::ConsumeAllData(
     QuicStream* /*stream*/,
     QuicStreamId /*id*/,
     const QuicIOVector& data,
     QuicStreamOffset /*offset*/,
     bool fin,
-    QuicAckListenerInterface* /*ack_notifier_delegate*/) {
+    const scoped_refptr<QuicAckListenerInterface>& /*ack_notifier_delegate*/) {
   return QuicConsumedData(data.total_length, fin);
 }
 
 MockQuicSpdySession::MockQuicSpdySession(QuicConnection* connection)
     : QuicSpdySession(connection, nullptr, DefaultQuicConfig()) {
   crypto_stream_.reset(new QuicCryptoStream(this));
   Initialize();
   ON_CALL(*this, WritevData(_, _, _, _, _, _))
       .WillByDefault(testing::Return(QuicConsumedData(0, false)));
 }
@@ skipping 502 matching lines @@
   // strike register worries that we've just overflowed a uint32_t time.
   (*server_connection)->AdvanceTime(connection_start_time);
 }
 
 QuicStreamId QuicClientDataStreamId(int i) {
   return kClientDataStreamId1 + 2 * i;
 }
 
 }  // namespace test
 }  // namespace net