Revert of Fixes use-after-free bug in QUIC.

net/quic/test_tools/quic_test_utils.cc

Index: net/quic/test_tools/quic_test_utils.cc
diff --git a/net/quic/test_tools/quic_test_utils.cc b/net/quic/test_tools/quic_test_utils.cc
index 6c5438a2bbb580b58bfde0f4d51264e5c5263d4b..3d9267a8f58294798d6498a46c815912fe9feb32 100644
--- a/net/quic/test_tools/quic_test_utils.cc
+++ b/net/quic/test_tools/quic_test_utils.cc
@@ -303,26 +303,6 @@
   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)