Revert of Rename PrivateMode enum values:

net/spdy/spdy_session_key.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "net/spdy/spdy_session_key.h"
 
 #include "base/logging.h"
 
 namespace net {
 
-SpdySessionKey::SpdySessionKey() : privacy_mode_(PRIVACY_MODE_DISABLED) {
+SpdySessionKey::SpdySessionKey() : privacy_mode_(kPrivacyModeDisabled) {
 }
 
 SpdySessionKey::SpdySessionKey(const HostPortPair& host_port_pair,
                                const ProxyServer& proxy_server,
                                PrivacyMode privacy_mode)
     : host_port_proxy_pair_(host_port_pair, proxy_server),
       privacy_mode_(privacy_mode) {
   DVLOG(1) << "SpdySessionKey(host=" << host_port_pair.ToString()
       << ", proxy=" << proxy_server.ToURI()
       << ", privacy=" << privacy_mode;
@@ skipping 19 matching lines @@
 }
 
 bool SpdySessionKey::Equals(const SpdySessionKey& other) const {
   return privacy_mode_ == other.privacy_mode_ &&
       host_port_proxy_pair_.first.Equals(other.host_port_proxy_pair_.first) &&
       host_port_proxy_pair_.second == other.host_port_proxy_pair_.second;
 }
 
 }  // namespace net