Deprecate SPDY/3.1 and draft HTTP/2 enum values.

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/time.h"
@@ skipping 18 matching lines @@
  public:
   // Describes the kind of connection used to fetch this response.
   //
   // NOTE: Please keep in sync with Net.HttpResponseInfo.ConnectionInfo
   // histogram.  Because of that, and also because these values are persisted to
   // the cache, please make sure not to delete or reorder values.
   enum ConnectionInfo {
     CONNECTION_INFO_UNKNOWN = 0,
     CONNECTION_INFO_HTTP1_1 = 1,
     CONNECTION_INFO_DEPRECATED_SPDY2 = 2,
-    CONNECTION_INFO_SPDY3 = 3,
+    CONNECTION_INFO_DEPRECATED_SPDY3 = 3,
     CONNECTION_INFO_HTTP2 = 4,  // HTTP/2.
     CONNECTION_INFO_QUIC1_SPDY3 = 5,
-    CONNECTION_INFO_HTTP2_14 = 6,  // HTTP/2 draft-14.
-    CONNECTION_INFO_HTTP2_15 = 7,  // HTTP/2 draft-15.
+    CONNECTION_INFO_DEPRECATED_HTTP2_14 = 6,  // HTTP/2 draft-14.
+    CONNECTION_INFO_DEPRECATED_HTTP2_15 = 7,  // HTTP/2 draft-15.
     CONNECTION_INFO_HTTP0_9 = 8,
     CONNECTION_INFO_HTTP1_0 = 9,
     NUM_OF_CONNECTION_INFOS,
   };
 
   // Used for categorizing transactions for reporting in histograms.
   // CacheEntryStatus covers relatively common use cases being measured and
   // considered for optimization. Many use cases that are more complex or
   // uncommon are binned as OTHER, and details are not reported.
   // NOTE: This enumeration is used in histograms, so please do not add entries
@@ skipping 136 matching lines @@
   scoped_refptr<IOBufferWithSize> metadata;
 
   static ConnectionInfo ConnectionInfoFromNextProto(NextProto next_proto);
 
   static std::string ConnectionInfoToString(ConnectionInfo connection_info);
 };
 
 }  // namespace net
 
 #endif  // NET_HTTP_HTTP_RESPONSE_INFO_H_