Use ChannelMojo from the browser to NaCl loader process.

components/nacl/browser/nacl_process_host.h

 // 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.
 
 #ifndef COMPONENTS_NACL_BROWSER_NACL_PROCESS_HOST_H_
 #define COMPONENTS_NACL_BROWSER_NACL_PROCESS_HOST_H_
 
 #include "build/build_config.h"
 
 #include <stddef.h>
@@ skipping 247 matching lines @@
 
   int render_view_id_;
 
   // Throttling time in milliseconds for PpapiHostMsg_Keepalive IPCs.
   static unsigned keepalive_throttle_interval_milliseconds_;
 
   // Shared memory provided to the plugin and renderer for
   // reporting crash information.
   base::SharedMemory crash_info_shmem_;
 
+  // Randomly generated token identifying the child process to Mojo.
+  std::string mojo_child_token_;
+
   base::WeakPtrFactory<NaClProcessHost> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(NaClProcessHost);
 };
 
 }  // namespace nacl
 
 #endif  // COMPONENTS_NACL_BROWSER_NACL_PROCESS_HOST_H_