Add "PRIVATE" to the enum names of some private Pepper networking APIs:

ppapi/shared_impl/private/tcp_socket_private_impl.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 "ppapi/shared_impl/private/tcp_socket_private_impl.h"
 
 #include "base/logging.h"
 #include "ppapi/c/pp_errors.h"
 
 namespace ppapi {
@@ skipping 71 matching lines @@
 
 void TCPSocketPrivateImpl::Disconnect() {
   DisconnectImpl();
 }
 
 int32_t TCPSocketPrivateImpl::SetOption(
     PP_TCPSocketOption_Private name,
     const PP_Var& value,
     scoped_refptr<TrackedCallback> callback) {
   switch (name) {
-    case PP_TCPSOCKETOPTION_INVALID:
+    case PP_TCPSOCKETOPTION_PRIVATE_INVALID:
       return PP_ERROR_BADARGUMENT;
-    case PP_TCPSOCKETOPTION_NO_DELAY:
+    case PP_TCPSOCKETOPTION_PRIVATE_NO_DELAY:
       return SetOptionImpl(PP_TCPSOCKET_OPTION_NO_DELAY, value, callback);
     default:
       NOTREACHED();
       return PP_ERROR_BADARGUMENT;
   }
 }
 
 Resource* TCPSocketPrivateImpl::GetOwnerResource() {
   return this;
 }
 
 int32_t TCPSocketPrivateImpl::OverridePPError(int32_t pp_error) {
   // PPB_TCPSocket_Private treats all errors from the browser process as
   // PP_ERROR_FAILED.
   if (pp_error < 0)
     return PP_ERROR_FAILED;
 
   return pp_error;
 }
 
 }  // namespace ppapi