Add mach ports support to the Mojo shell.

mojo/shell/runner/host/child_process.cc

 // Copyright 2014 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 "mojo/shell/runner/host/child_process.h"
 
 #include <stdint.h>
 
 #include <utility>
 
@@ skipping 26 matching lines @@
 #include "mojo/shell/runner/host/child_process_base.h"
 #include "mojo/shell/runner/host/native_application_support.h"
 #include "mojo/shell/runner/init.h"
 
 #if defined(OS_LINUX) && !defined(OS_ANDROID)
 #include "base/rand_util.h"
 #include "base/sys_info.h"
 #include "mojo/shell/runner/host/linux_sandbox.h"
 #endif
 
+#if defined(OS_MACOSX)
+#include "mojo/shell/runner/host/mach_broker.h"
+#endif
+
 namespace mojo {
 namespace shell {
 
 namespace {
 
 #if defined(OS_LINUX) && !defined(OS_ANDROID)
 scoped_ptr<mojo::shell::LinuxSandbox> InitializeSandbox() {
   using sandbox::syscall_broker::BrokerFilePermission;
   // Warm parts of base in the copy of base in the mojo runner.
   base::RandUint64();
@@ skipping 39 matching lines @@
   base::NativeLibrary app_library = 0;
   // Load the application library before we engage the sandbox.
   base::FilePath app_library_path =
       command_line.GetSwitchValuePath(switches::kChildProcess);
   if (!app_library_path.empty())
     app_library = mojo::shell::LoadNativeApplication(app_library_path);
   base::i18n::InitializeICU();
   if (app_library)
     CallLibraryEarlyInitialization(app_library);
 
+#if defined(OS_MACOSX)
+  // Send our task port to the parent.
+  MachBroker::SendTaskPortToParent();
+#endif
+
 #if !defined(OFFICIAL_BUILD)
   // Initialize stack dumping just before initializing sandbox to make
   // sure symbol names in all loaded libraries will be cached.
   base::debug::EnableInProcessStackDumping();
 #endif
 #if defined(OS_LINUX) && !defined(OS_ANDROID)
   if (command_line.HasSwitch(switches::kEnableSandbox))
     sandbox = InitializeSandbox();
 #endif
 
   ChildProcessMain(base::Bind(&RunNativeLibrary, app_library));
 
   return 0;
 }
 
 }  // namespace shell
 }  // namespace mojo