Add QuicStringPiece which is actually StringPiece.

net/quic/core/quic_header_list.cc

 // Copyright (c) 2016 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_header_list.h"
 
 #include "net/quic/core/quic_flags.h"
 #include "net/quic/core/quic_packets.h"
 
 using std::string;
@@ skipping 13 matching lines @@
 
 QuicHeaderList& QuicHeaderList::operator=(QuicHeaderList&& other) = default;
 
 QuicHeaderList::~QuicHeaderList() {}
 
 void QuicHeaderList::OnHeaderBlockStart() {
   QUIC_BUG_IF(uncompressed_header_bytes_ != 0)
       << "OnHeaderBlockStart called more than once!";
 }
 
-void QuicHeaderList::OnHeader(base::StringPiece name, base::StringPiece value) {
+void QuicHeaderList::OnHeader(QuicStringPiece name, QuicStringPiece value) {
   // Avoid infinte buffering of headers. No longer store headers
   // once the current headers are over the limit.
   if (uncompressed_header_bytes_ == 0 || !header_list_.empty()) {
     header_list_.emplace_back(name.as_string(), value.as_string());
   }
 }
 
 void QuicHeaderList::OnHeaderBlockEnd(size_t uncompressed_header_bytes) {
   OnHeaderBlockEnd(uncompressed_header_bytes, uncompressed_header_bytes);
 }
@@ skipping 15 matching lines @@
 string QuicHeaderList::DebugString() const {
   string s = "{ ";
   for (const auto& p : *this) {
     s.append(p.first + "=" + p.second + ", ");
   }
   s.append("}");
   return s;
 }
 
 }  // namespace net