Fixes use-after-free bug in QUIC.

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 "base/sha1.h"
 #include "base/stl_util.h"
 #include "base/strings/string_number_conversions.h"
 #include "net/quic/crypto/crypto_framer.h"
@@ skipping 287 matching lines @@
 void PacketSavingConnection::SendOrQueuePacket(SerializedPacket* packet) {
   encrypted_packets_.push_back(new QuicEncryptedPacket(
       QuicUtils::CopyBuffer(*packet), packet->encrypted_length, true));
   // Transfer ownership of the packet to the SentPacketManager and the
   // ack notifier to the AckNotifierManager.
   sent_packet_manager_.OnPacketSent(packet, 0, QuicTime::Zero(),
                                     NOT_RETRANSMISSION,
                                     HAS_RETRANSMITTABLE_DATA);
 }
 
+MockQuicSession::MockQuicSession(QuicConnection* connection)
+    : QuicSession(connection, DefaultQuicConfig()) {
+  crypto_stream_.reset(new QuicCryptoStream(this));
+  Initialize();
+  ON_CALL(*this, WritevData(_, _, _, _, _))
+      .WillByDefault(testing::Return(QuicConsumedData(0, false)));
+}
+
+MockQuicSession::~MockQuicSession() {}
+
+// static
+QuicConsumedData MockQuicSession::ConsumeAllData(
+    QuicStreamId /*id*/,
+    const QuicIOVector& data,
+    QuicStreamOffset /*offset*/,
+    bool fin,
+    QuicAckListenerInterface* /*ack_notifier_delegate*/) {
+  return QuicConsumedData(data.total_length, fin);
+}
+
 MockQuicSpdySession::MockQuicSpdySession(QuicConnection* connection)
     : QuicSpdySession(connection, DefaultQuicConfig()) {
   crypto_stream_.reset(new QuicCryptoStream(this));
   Initialize();
   ON_CALL(*this, WritevData(_, _, _, _, _))
       .WillByDefault(testing::Return(QuicConsumedData(0, false)));
 }
 
 MockQuicSpdySession::~MockQuicSpdySession() {}
 
@@ skipping 486 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