[SPDY] Do not advertise SPDY/2 by default

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 42aa4a3d484b7a5a781ebfdb4f5f0823d7f0472a..7ca844a50f5090835cc42f2ff47c6a06d3d42286 100644
--- a/net/http/http_response_info.cc
+++ b/net/http/http_response_info.cc
@@ -331,8 +331,8 @@ void HttpResponseInfo::Persist(Pickle* pickle,
 HttpResponseInfo::ConnectionInfo HttpResponseInfo::ConnectionInfoFromNextProto(
     NextProto next_proto) {
   switch (next_proto) {
-    case kProtoSPDY2:
-      return CONNECTION_INFO_SPDY2;
+    case kProtoDeprecatedSPDY2:
+      return CONNECTION_INFO_DEPRECATED_SPDY2;
     case kProtoSPDY3:
     case kProtoSPDY31:
       return CONNECTION_INFO_SPDY3;
@@ -360,7 +360,7 @@ std::string HttpResponseInfo::ConnectionInfoToString(
       return "unknown";
     case CONNECTION_INFO_HTTP1:
       return "http/1";
-    case CONNECTION_INFO_SPDY2:
+    case CONNECTION_INFO_DEPRECATED_SPDY2:
       return "spdy/2";
     case CONNECTION_INFO_SPDY3:
       return "spdy/3";