Convert GURL::{host,path} to GURL::{host_piece,path_piece} for ==.

net/quic/core/quic_server_id.cc

Index: net/quic/core/quic_server_id.cc
diff --git a/net/quic/core/quic_server_id.cc b/net/quic/core/quic_server_id.cc
index 9bcf84c979c673a6e348a25df877440600a9f7f0..ecc8d0e40fd952383a9351412160093773ac44f9 100644
--- a/net/quic/core/quic_server_id.cc
+++ b/net/quic/core/quic_server_id.cc
@@ -46,7 +46,7 @@ QuicServerId QuicServerId::FromString(const std::string& str) {
   GURL url(str);
   if (!url.is_valid())
     return QuicServerId();
-  return QuicServerId(HostPortPair::FromURL(url), url.path() == "/private"
+  return QuicServerId(HostPortPair::FromURL(url), url.path_piece() == "/private"
                                                       ? PRIVACY_MODE_ENABLED
                                                       : PRIVACY_MODE_DISABLED);
 }