Moves QuicTag typedefs, and QuicTag utility methods to quic_tag.{h,cc}. No behavior change.

net/quic/core/quic_protocol.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_protocol.h"
 
 #include "base/memory/ptr_util.h"
 #include "base/strings/string_number_conversions.h"
 #include "net/quic/core/quic_flags.h"
 #include "net/quic/core/quic_utils.h"
@@ skipping 128 matching lines @@
       offset(offset),
       buffer(std::move(buffer)) {
   if (this->buffer != nullptr) {
     DCHECK(data_buffer == nullptr);
     this->data_buffer = this->buffer.get();
   }
 }
 
 QuicStreamFrame::~QuicStreamFrame() {}
 
-uint32_t MakeQuicTag(char a, char b, char c, char d) {
-  return static_cast<uint32_t>(a) | static_cast<uint32_t>(b) << 8 |
-         static_cast<uint32_t>(c) << 16 | static_cast<uint32_t>(d) << 24;
-}
-
-bool ContainsQuicTag(const QuicTagVector& tag_vector, QuicTag tag) {
-  return std::find(tag_vector.begin(), tag_vector.end(), tag) !=
-         tag_vector.end();
-}
-
 ostream& operator<<(ostream& os, const QuicPacketHeader& header) {
   os << "{ connection_id: " << header.public_header.connection_id
      << ", connection_id_length: " << header.public_header.connection_id_length
      << ", packet_number_length: " << header.public_header.packet_number_length
      << ", multipath_flag: " << header.public_header.multipath_flag
      << ", reset_flag: " << header.public_header.reset_flag
      << ", version_flag: " << header.public_header.version_flag;
   if (header.public_header.version_flag) {
     os << ", version:";
     for (size_t i = 0; i < header.public_header.versions.size(); ++i) {
@@ skipping 534 matching lines @@
       is_unackable(false),
       has_crypto_handshake(has_crypto_handshake),
       num_padding_bytes(num_padding_bytes),
       retransmission(0) {}
 
 TransmissionInfo::TransmissionInfo(const TransmissionInfo& other) = default;
 
 TransmissionInfo::~TransmissionInfo() {}
 
 }  // namespace net