Slice enum HttpResponseInfo::ConnectionInfo by QUIC version.

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 19 matching lines @@
   //
   // 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_DEPRECATED_SPDY3 = 3,
     CONNECTION_INFO_HTTP2 = 4,  // HTTP/2.
-    CONNECTION_INFO_QUIC = 5,
+    CONNECTION_INFO_QUIC_UNKNOWN_VERSION = 5,
     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,
+    CONNECTION_INFO_QUIC_32 = 10,
+    CONNECTION_INFO_QUIC_33 = 11,
+    CONNECTION_INFO_QUIC_34 = 12,
+    CONNECTION_INFO_QUIC_35 = 13,
+    CONNECTION_INFO_QUIC_36 = 14,
     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
   // in the middle.
   enum CacheEntryStatus {
@@ skipping 27 matching lines @@
 
   // Initializes from the representation stored in the given pickle.
   bool InitFromPickle(const base::Pickle& pickle, bool* response_truncated);
 
   // Call this method to persist the response info.
   void Persist(base::Pickle* pickle,
                bool skip_transient_headers,
                bool response_truncated) const;
 
   // Whether QUIC is used or not.
-  bool DidUseQuic() const { return connection_info == CONNECTION_INFO_QUIC; }
+  bool DidUseQuic() const;
 
   // The following is only defined if the request_time member is set.
   // If this resource was found in the cache, then this bool is set, and
   // request_time may corresponds to a time "far" in the past.  Note that
   // stale content (perhaps un-cacheable) may be fetched from cache subject to
   // the load flags specified on the request info.  For example, this is done
   // when a user presses the back button to re-render pages, or at startup,
   // when reloading previously visited pages (without going over the network).
   // Note also that under normal circumstances, was_cached is set to the correct
   // value even if the request fails.
@@ skipping 83 matching lines @@
 
   // Any metadata asociated with this resource's cached data.
   scoped_refptr<IOBufferWithSize> metadata;
 
   static std::string ConnectionInfoToString(ConnectionInfo connection_info);
 };
 
 }  // namespace net
 
 #endif  // NET_HTTP_HTTP_RESPONSE_INFO_H_