Slice enum HttpResponseInfo::ConnectionInfo by QUIC version.

net/http/http_response_info.cc

Index: net/http/http_response_info.cc
diff --git a/net/http/http_response_info.cc b/net/http/http_response_info.cc
index 64d565a7347d48f7802d29c3763007eba6141154..02bfefa8dfce3d61eda56fec29afba05b25f999d 100644
--- a/net/http/http_response_info.cc
+++ b/net/http/http_response_info.cc
@@ -420,6 +420,33 @@ void HttpResponseInfo::Persist(base::Pickle* pickle,
     pickle->WriteInt(ssl_info.key_exchange_group);
 }
 
+bool HttpResponseInfo::DidUseQuic() const {
+  switch (connection_info) {
+    case CONNECTION_INFO_UNKNOWN:
+    case CONNECTION_INFO_HTTP1_1:
+    case CONNECTION_INFO_DEPRECATED_SPDY2:
+    case CONNECTION_INFO_DEPRECATED_SPDY3:
+    case CONNECTION_INFO_HTTP2:
+    case CONNECTION_INFO_DEPRECATED_HTTP2_14:
+    case CONNECTION_INFO_DEPRECATED_HTTP2_15:
+    case CONNECTION_INFO_HTTP0_9:
+    case CONNECTION_INFO_HTTP1_0:
+      return false;
+    case CONNECTION_INFO_QUIC_UNKNOWN_VERSION:
+    case CONNECTION_INFO_QUIC_32:
+    case CONNECTION_INFO_QUIC_33:
+    case CONNECTION_INFO_QUIC_34:
+    case CONNECTION_INFO_QUIC_35:
+    case CONNECTION_INFO_QUIC_36:
+      return true;
+    case NUM_OF_CONNECTION_INFOS:
+      NOTREACHED();
+      return false;
+  }
+  NOTREACHED();
+  return false;
+}
+
 // static
 std::string HttpResponseInfo::ConnectionInfoToString(
     ConnectionInfo connection_info) {
@@ -441,8 +468,18 @@ std::string HttpResponseInfo::ConnectionInfoToString(
     case CONNECTION_INFO_DEPRECATED_HTTP2_15:
     case CONNECTION_INFO_HTTP2:
       return "h2";
-    case CONNECTION_INFO_QUIC:
-      return "quic/1+spdy/3";
+    case CONNECTION_INFO_QUIC_UNKNOWN_VERSION:
+      return "http/2+quic";
+    case CONNECTION_INFO_QUIC_32:
+      return "http/2+quic/32";
+    case CONNECTION_INFO_QUIC_33:
+      return "http/2+quic/33";
+    case CONNECTION_INFO_QUIC_34:
+      return "http/2+quic/34";
+    case CONNECTION_INFO_QUIC_35:
+      return "http/2+quic/35";
+    case CONNECTION_INFO_QUIC_36:
+      return "http/2+quic/36";
     case CONNECTION_INFO_HTTP0_9:
       return "http/0.9";
     case CONNECTION_INFO_HTTP1_0: