Remove calls to deprecated MessageLoop methods on Windows and Linux.

ppapi/nacl_irt/irt_pnacl_translator_link.cc

 // Copyright 2015 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 "base/macros.h"
+#include "base/run_loop.h"
 #include "build/build_config.h"
 #include "ipc/ipc_listener.h"
 #include "ipc/ipc_sync_channel.h"
 #include "native_client/src/public/chrome_main.h"
 #include "native_client/src/untrusted/irt/irt_dev.h"
 #include "ppapi/nacl_irt/irt_interfaces.h"
 #include "ppapi/nacl_irt/plugin_startup.h"
 #include "ppapi/proxy/ppapi_messages.h"
 
 #if !defined(OS_NACL_NONSFI)
@@ skipping 49 matching lines @@
 
   std::unique_ptr<IPC::Channel> channel_;
   CallbackFunc func_;
 
   DISALLOW_COPY_AND_ASSIGN(TranslatorLinkListener);
 };
 
 void ServeLinkRequest(CallbackFunc func) {
   base::MessageLoop loop;
   new TranslatorLinkListener(ppapi::GetRendererIPCChannelHandle(), func);
-  loop.Run();
+  base::RunLoop().Run();
 }
 
 }
 
 const struct nacl_irt_private_pnacl_translator_link
     nacl_irt_private_pnacl_translator_link = {
   ServeLinkRequest
 };
 
 #endif  // !defined(OS_NACL_NONSFI)