Create a Perspective enum to use instead of a bool is_server to improve

net/quic/test_tools/quic_framer_peer.h

 // Copyright (c) 2013 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_QUIC_TEST_TOOLS_QUIC_FRAMER_PEER_H_
 #define NET_QUIC_TEST_TOOLS_QUIC_FRAMER_PEER_H_
 
 #include "net/quic/quic_protocol.h"
 
 namespace net {
 
 class QuicFramer;
 
 namespace test {
 
 class QuicFramerPeer {
  public:
   static QuicPacketSequenceNumber CalculatePacketSequenceNumberFromWire(
       QuicFramer* framer,
       QuicSequenceNumberLength sequence_number_length,
       QuicPacketSequenceNumber packet_sequence_number);
   static void SetLastSerializedConnectionId(QuicFramer* framer,
                                             QuicConnectionId connection_id);
   static void SetLastSequenceNumber(
       QuicFramer* framer,
       QuicPacketSequenceNumber packet_sequence_number);
-  static void SetIsServer(QuicFramer* framer, bool is_server);
+  static void SetPerspective(QuicFramer* framer, Perspective perspective);
 
   // SwapCrypters exchanges the state of the crypters of |framer1| with
   // |framer2|.
   static void SwapCrypters(QuicFramer* framer1, QuicFramer* framer2);
 
  private:
   DISALLOW_COPY_AND_ASSIGN(QuicFramerPeer);
 };
 
 }  // namespace test
 
 }  // namespace net
 
 #endif  // NET_QUIC_TEST_TOOLS_QUIC_FRAMER_PEER_H_