Move IPC tests into anonymous namespaces.

ipc/ipc_send_fds_test.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 "build/build_config.h"
 
 #if defined(OS_MACOSX)
 extern "C" {
 #include <sandbox.h>
 }
@@ skipping 111 matching lines @@
   // Run message loop so IPC Channel can handle message IO.
   MessageLoop::current()->Run();
 
   // Verify that the message loop was exited due to getting the correct
   // number of descriptors, and not because the channel closing unexpectedly.
   CHECK(listener.GotExpectedNumberOfDescriptors());
 
   return 0;
 }
 
-}  // namespace
-
 class IPCSendFdsTest : public IPCTestBase {
 };
 
 #if defined(OS_MACOSX)
 // TODO(port): Make this test cross-platform.
 MULTIPROCESS_IPC_TEST_MAIN(RunTestDescriptorClientSandboxed) {
   struct stat st;
   const int fd = open(kDevZeroPath, O_RDONLY);
   fstat(fd, &st);
   if (HANDLE_EINTR(close(fd)) < 0) {
@@ skipping 52 matching lines @@
 
   IPC::Channel chan(kTestClientChannel, IPC::Channel::MODE_SERVER,
                     &listener);
   ASSERT_TRUE(chan.Connect());
 
   base::ProcessHandle process_handle = SpawnChild(TEST_DESCRIPTOR_CLIENT,
                                                   &chan);
   TestDescriptorServer(chan, process_handle);
 }
 
+}  // namespace
+
 #endif  // defined(OS_POSIX)