Update from https://crrev.com/309415

net/spdy/spdy_protocol.h

 // 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.
 
 // This file contains some protocol structures for use with SPDY 2 and 3
 // The SPDY 2 spec can be found at:
 // http://dev.chromium.org/spdy/spdy-protocol/spdy-protocol-draft2
 // The SPDY 3 spec can be found at:
 // http://dev.chromium.org/spdy/spdy-protocol/spdy-protocol-draft3
 
@@ skipping 415 matching lines @@
 // SPDY priority range is version-dependent. For SPDY 2 and below, priority is a
 // number between 0 and 3.
 typedef uint8 SpdyPriority;
 
 typedef std::map<std::string, std::string> SpdyNameValueBlock;
 
 typedef uint64 SpdyPingId;
 
 typedef std::string SpdyProtocolId;
 
+enum class SpdyHeaderValidatorType { REQUEST, RESPONSE };
+
 // TODO(hkhalil): Add direct testing for this? It won't increase coverage any,
 // but is good to do anyway.
 class NET_EXPORT_PRIVATE SpdyConstants {
  public:
   // Returns true if a given on-the-wire enumeration of a frame type is valid
   // for a given protocol version, false otherwise.
   static bool IsValidFrameType(SpdyMajorVersion version, int frame_type_field);
 
   // Parses a frame type from an on-the-wire enumeration of a given protocol
   // version.
@@ skipping 643 matching lines @@
   SpdyFrameVisitor() {}
   virtual ~SpdyFrameVisitor() {}
 
  private:
   DISALLOW_COPY_AND_ASSIGN(SpdyFrameVisitor);
 };
 
 }  // namespace net
 
 #endif  // NET_SPDY_SPDY_PROTOCOL_H_