Add metrics to track HTTP/0.9 usage for main frames and subresources

net/http/http_basic_stream.cc

Index: net/http/http_basic_stream.cc
diff --git a/net/http/http_basic_stream.cc b/net/http/http_basic_stream.cc
index 9ebb5e32d866ee7c31ac007f112050d688cffd19..a82f9fccaf464981a25ce659987e62f673c886fb 100644
--- a/net/http/http_basic_stream.cc
+++ b/net/http/http_basic_stream.cc
@@ -124,7 +124,9 @@ void HttpBasicStream::Drain(HttpNetworkSession* session) {
 }
 
 void HttpBasicStream::PopulateNetErrorDetails(NetErrorDetails* details) {
-  details->connection_info = HttpResponseInfo::CONNECTION_INFO_HTTP1;
+  // TODO(mmenke):  Consumers don't actually care about HTTP version, but seems
+  // like the right version should be reported, if headers were received.
+  details->connection_info = HttpResponseInfo::CONNECTION_INFO_HTTP1_1;
   return;
 }