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

ppapi/tests/test_tcp_socket_private.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/tests/test_tcp_socket_private.h"
 
 #include <stdlib.h>
 
 #include "ppapi/cpp/private/tcp_socket_private.h"
 #include "ppapi/tests/testing_instance.h"
@@ skipping 137 matching lines @@
   socket.Disconnect();
 
   PASS();
 }
 
 std::string TestTCPSocketPrivate::TestSetOption() {
   pp::TCPSocketPrivate socket(instance_);
   TestCompletionCallback cb(instance_->pp_instance(), callback_type());
 
   cb.WaitForResult(
-      socket.SetOption(PP_TCPSOCKETOPTION_NO_DELAY, true, cb.GetCallback()));
+      socket.SetOption(PP_TCPSOCKETOPTION_PRIVATE_NO_DELAY, true,
+                       cb.GetCallback()));
   CHECK_CALLBACK_BEHAVIOR(cb);
   ASSERT_EQ(PP_ERROR_FAILED, cb.result());
 
   cb.WaitForResult(socket.Connect(host_.c_str(), port_, cb.GetCallback()));
   CHECK_CALLBACK_BEHAVIOR(cb);
   ASSERT_EQ(PP_OK, cb.result());
 
   cb.WaitForResult(
-      socket.SetOption(PP_TCPSOCKETOPTION_NO_DELAY, true, cb.GetCallback()));
+      socket.SetOption(PP_TCPSOCKETOPTION_PRIVATE_NO_DELAY, true,
+                       cb.GetCallback()));
   CHECK_CALLBACK_BEHAVIOR(cb);
   ASSERT_EQ(PP_OK, cb.result());
 
   cb.WaitForResult(
-      socket.SetOption(PP_TCPSOCKETOPTION_INVALID, true, cb.GetCallback()));
+      socket.SetOption(PP_TCPSOCKETOPTION_PRIVATE_INVALID, true,
+                       cb.GetCallback()));
   CHECK_CALLBACK_BEHAVIOR(cb);
   ASSERT_EQ(PP_ERROR_BADARGUMENT, cb.result());
 
   socket.Disconnect();
 
   PASS();
 }
 
 int32_t TestTCPSocketPrivate::ReadFirstLineFromSocket(
     pp::TCPSocketPrivate* socket,
@@ skipping 36 matching lines @@
     if (cb.result() < 0)
       return cb.result();
     if (cb.result() == 0)
       return PP_ERROR_FAILED;
     written += cb.result();
   }
   if (written != s.size())
     return PP_ERROR_FAILED;
   return PP_OK;
 }