Break out balsa and epoll_server from net/tools/flip_server.

net/tools/balsa/string_piece_utils.h

 // Copyright (c) 2010 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.
 
-#ifndef NET_TOOLS_FLIP_SERVER_STRING_PIECE_UTILS_H_
-#define NET_TOOLS_FLIP_SERVER_STRING_PIECE_UTILS_H_
+#ifndef NET_TOOLS_BALSA_STRING_PIECE_UTILS_H_
+#define NET_TOOLS_BALSA_STRING_PIECE_UTILS_H_
 
 #include <ctype.h>
 
 #include "base/port.h"
 #include "base/strings/string_piece.h"
 
 namespace net {
 
 struct StringPieceCaseHash {
   size_t operator()(const base::StringPiece& sp) const {
@@ skipping 55 matching lines @@
   bool operator()(const base::StringPiece& piece1,
                   const base::StringPiece& piece2) const {
     return StringPieceUtils::EqualIgnoreCase(piece1, piece2);
   }
 };
 
 
 
 }  // namespace net
 
-#endif  // NET_TOOLS_FLIP_SERVER_STRING_PIECE_UTILS_H_
+#endif  // NET_TOOLS_BALSA_STRING_PIECE_UTILS_H_