Revert of Rename PrivateMode enum values:

net/quic/quic_stream_factory_test.cc

Index: net/quic/quic_stream_factory_test.cc
diff --git a/net/quic/quic_stream_factory_test.cc b/net/quic/quic_stream_factory_test.cc
index 75b6e98701c371cb3448bafa2a089a38af6663c3..780c5cb8e4bf00b6c02b5fae686617f11ccce4e7 100644
--- a/net/quic/quic_stream_factory_test.cc
+++ b/net/quic/quic_stream_factory_test.cc
@@ -48,7 +48,7 @@
   static bool HasActiveSession(QuicStreamFactory* factory,
                                const HostPortPair& host_port_pair,
                                bool is_https) {
-    QuicSessionKey server_key(host_port_pair, is_https, PRIVACY_MODE_DISABLED);
+    QuicSessionKey server_key(host_port_pair, is_https, kPrivacyModeDisabled);
     return factory->HasActiveSession(server_key);
   }
 
@@ -56,7 +56,7 @@
       QuicStreamFactory* factory,
       const HostPortPair& host_port_pair,
       bool is_https) {
-    QuicSessionKey server_key(host_port_pair, is_https, PRIVACY_MODE_DISABLED);
+    QuicSessionKey server_key(host_port_pair, is_https, kPrivacyModeDisabled);
     DCHECK(factory->HasActiveSession(server_key));
     return factory->active_sessions_[server_key];
   }
@@ -66,7 +66,7 @@
       const HostPortPair& host_port_pair,
       bool is_https,
       const BoundNetLog& net_log) {
-    QuicSessionKey server_key(host_port_pair, is_https, PRIVACY_MODE_DISABLED);
+    QuicSessionKey server_key(host_port_pair, is_https, kPrivacyModeDisabled);
     return factory->CreateIfSessionExists(server_key, net_log);
   }
 
@@ -97,7 +97,7 @@
                  SupportedVersions(GetParam()), true, true),
         host_port_pair_(kDefaultServerHostName, kDefaultServerPort),
         is_https_(false),
-        privacy_mode_(PRIVACY_MODE_DISABLED) {
+        privacy_mode_(kPrivacyModeDisabled) {
     factory_.set_require_confirmation(false);
   }