[SPDY] Add flag and about:flags entry for SPDY/4 alpha 1

net/http/http_response_info.h

 // Copyright (c) 2011 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_HTTP_HTTP_RESPONSE_INFO_H_
 #define NET_HTTP_HTTP_RESPONSE_INFO_H_
 
 #include <string>
 
 #include "base/time.h"
@@ skipping 12 matching lines @@
 class SSLCertRequestInfo;
 
 class NET_EXPORT HttpResponseInfo {
  public:
   // Describes the kind of connection used to fetch this response.
   enum ConnectionInfo {
     CONNECTION_INFO_UNKNOWN,
     CONNECTION_INFO_HTTP1,
     CONNECTION_INFO_SPDY2,
     CONNECTION_INFO_SPDY3,
-    CONNECTION_INFO_SPDY3_1,
+    CONNECTION_INFO_SPDY4,
     CONNECTION_INFO_QUIC1_SPDY3,
     NUM_OF_CONNECTION_INFOS,
   };
 
   HttpResponseInfo();
   HttpResponseInfo(const HttpResponseInfo& rhs);
   ~HttpResponseInfo();
   HttpResponseInfo& operator=(const HttpResponseInfo& rhs);
   // Even though we could get away with the copy ctor and default operator=,
   // that would prevent us from doing a bunch of forward declaration.
@@ skipping 76 matching lines @@
   // The "Vary" header data for this response.
   HttpVaryData vary_data;
 
   // Any metadata asociated with this resource's cached data.
   scoped_refptr<IOBufferWithSize> metadata;
 };
 
 }  // namespace net
 
 #endif  // NET_HTTP_HTTP_RESPONSE_INFO_H_