Removing SPDY3 from the code base.

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 3 and HTTP 2
 // The SPDY 3 spec can be found at:
 // http://dev.chromium.org/spdy/spdy-protocol/spdy-protocol-draft3
 
 #ifndef NET_SPDY_SPDY_PROTOCOL_H_
 #define NET_SPDY_SPDY_PROTOCOL_H_
@@ skipping 18 matching lines @@
 #include "net/spdy/spdy_bug_tracker.h"
 #include "net/spdy/spdy_header_block.h"
 
 namespace net {
 
 // The major versions of SPDY. Major version differences indicate
 // framer-layer incompatibility, as opposed to minor version numbers
 // which indicate application-layer incompatibility. It is NOT guaranteed
 // that the enum value SPDYn maps to the integer n.
 enum SpdyMajorVersion {
-  SPDY3 = 1,
-  HTTP2,
+  HTTP2 = 2,
 };
 
 // 15 bit version field for SPDY/3 frames.
 const uint16_t kSpdy3Version = 3;
 
 // A SPDY stream id is a 31 bit entity.
 typedef uint32_t SpdyStreamId;
 
 // Specifies the stream ID used to denote the current session (for
 // flow control).
@@ skipping 1209 matching lines @@
   SpdyFrameVisitor() {}
   virtual ~SpdyFrameVisitor() {}
 
  private:
   DISALLOW_COPY_AND_ASSIGN(SpdyFrameVisitor);
 };
 
 }  // namespace net
 
 #endif  // NET_SPDY_SPDY_PROTOCOL_H_