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      1 // Copyright 2017 The Chromium Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 // Forward declaration of StringPiece types from base/strings/string_piece.h
      6 
      7 #ifndef BASE_STRINGS_STRING_PIECE_FORWARD_H_
      8 #define BASE_STRINGS_STRING_PIECE_FORWARD_H_
      9 
     10 #include <string>
     11 
     12 #include "base/strings/string16.h"
     13 
     14 namespace base {
     15 
     16 template <typename STRING_TYPE>
     17 class BasicStringPiece;
     18 typedef BasicStringPiece<std::string> StringPiece;
     19 typedef BasicStringPiece<string16> StringPiece16;
     20 typedef BasicStringPiece<std::wstring> WStringPiece;
     21 
     22 }  // namespace base
     23 
     24 #endif  // BASE_STRINGS_STRING_PIECE_FORWARD_H_
     25