Move test only MakeIOVector method to test_tools/quic_test_utils.h. No behavior change.

net/quic/core/quic_packet_creator_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/core/quic_packet_creator.h"
 
 #include <cstdint>
 #include <memory>
 #include <string>
 
@@ skipping 175 matching lines @@
   }
 
   // Returns the number of bytes consumed by the non-data fields of a stream
   // frame, assuming it is the last frame in the packet
   size_t GetStreamFrameOverhead() {
     return QuicFramer::GetMinStreamFrameSize(kClientDataStreamId1, kOffset,
                                              true);
   }
 
   QuicIOVector MakeIOVector(StringPiece s) {
-    return ::net::MakeIOVector(s, &iov_);
+    return ::net::test::MakeIOVector(s, &iov_);
   }
 
   PendingRetransmission CreateRetransmission(
       const QuicFrames& retransmittable_frames,
       bool has_crypto_handshake,
       int num_padding_bytes,
       EncryptionLevel encryption_level,
       QuicPacketNumberLength packet_number_length) {
     return PendingRetransmission(1u, 1u, NOT_RETRANSMISSION,
                                  retransmittable_frames, has_crypto_handshake,
@@ skipping 729 matching lines @@
 
 TEST_P(QuicPacketCreatorTest, ChloTooLarge) {
   CryptoHandshakeMessage message;
   message.set_tag(kCHLO);
   message.set_minimum_size(kMaxPacketSize);
   CryptoFramer framer;
   std::unique_ptr<QuicData> message_data;
   message_data.reset(framer.ConstructHandshakeMessage(message));
 
   struct iovec iov;
-  QuicIOVector data_iovec(::net::MakeIOVector(
+  QuicIOVector data_iovec(::net::test::MakeIOVector(
       StringPiece(message_data->data(), message_data->length()), &iov));
   QuicFrame frame;
   EXPECT_CALL(delegate_,
               OnUnrecoverableError(QUIC_CRYPTO_CHLO_TOO_LARGE, _, _));
   EXPECT_QUIC_BUG(creator_.ConsumeData(kCryptoStreamId, data_iovec, 0u, 0u,
                                        false, false, &frame),
                   "Client hello won't fit in a single packet.");
 }
 
 }  // namespace
 }  // namespace test
 }  // namespace net