Revert of Convert NaCl renderer-loader messages to mojo.

components/nacl/renderer/ppb_nacl_private_impl.cc

 // Copyright 2013 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 "components/nacl/renderer/ppb_nacl_private.h"
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <memory>
@@ skipping 523 matching lines @@
 
   // Store the crash information shared memory handle.
   load_manager->set_crash_info_shmem_handle(
       launch_result.crash_info_shmem_handle);
 
   // Create the trusted plugin channel.
   if (IsValidChannelHandle(launch_result.trusted_ipc_channel_handle)) {
     bool is_helper_nexe = !PP_ToBool(main_service_runtime);
     std::unique_ptr<TrustedPluginChannel> trusted_plugin_channel(
         new TrustedPluginChannel(
-            load_manager,
-            mojo::MakeRequest<mojom::NaClRendererHost>(
-                mojo::ScopedMessagePipeHandle(
-                    launch_result.trusted_ipc_channel_handle.mojo_handle)),
-            is_helper_nexe));
+            load_manager, launch_result.trusted_ipc_channel_handle,
+            content::RenderThread::Get()->GetShutdownEvent(), is_helper_nexe));
     load_manager->set_trusted_plugin_channel(std::move(trusted_plugin_channel));
   } else {
     PostPPCompletionCallback(callback, PP_ERROR_FAILED);
     return;
   }
 
   // Create the manifest service handle as well.
   if (IsValidChannelHandle(launch_result.manifest_service_ipc_channel_handle)) {
     std::unique_ptr<ManifestServiceChannel> manifest_service_channel(
         new ManifestServiceChannel(
@@ skipping 1178 matching lines @@
   // Mark the request as requesting a PNaCl bitcode file,
   // so that component updater can detect this user action.
   url_request.addHTTPHeaderField(
       blink::WebString::fromUTF8("Accept"),
       blink::WebString::fromUTF8("application/x-pnacl, */*"));
   url_request.setRequestContext(blink::WebURLRequest::RequestContextObject);
   downloader->Load(url_request);
 }
 
 }  // namespace nacl