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

ppapi/tests/test_host_resolver_private_disallowed.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_host_resolver_private_disallowed.h"
 
 #include "ppapi/cpp/module.h"
 #include "ppapi/cpp/private/net_address_private.h"
 #include "ppapi/tests/test_utils.h"
 #include "ppapi/tests/testing_instance.h"
@@ skipping 21 matching lines @@
       EnsureRunningOverHTTP();
 }
 
 void TestHostResolverPrivateDisallowed::RunTests(const std::string& filter) {
   RUN_CALLBACK_TEST(TestHostResolverPrivateDisallowed, Resolve, filter);
 }
 
 std::string TestHostResolverPrivateDisallowed::TestResolve() {
   pp::HostResolverPrivate host_resolver(instance_);
   PP_HostResolver_Private_Hint hint;
-  hint.family = PP_NETADDRESSFAMILY_UNSPECIFIED;
-  hint.flags = PP_HOST_RESOLVER_FLAGS_CANONNAME;
+  hint.family = PP_NETADDRESSFAMILY_PRIVATE_UNSPECIFIED;
+  hint.flags = PP_HOST_RESOLVER_PRIVATE_FLAGS_CANONNAME;
   TestCompletionCallback callback(instance_->pp_instance(), callback_type());
   callback.WaitForResult(
       host_resolver.Resolve(host_, port_, hint, callback.GetCallback()));
   CHECK_CALLBACK_BEHAVIOR(callback);
   ASSERT_EQ(PP_ERROR_FAILED, callback.result());
   PASS();
 }