Set up a NaCl load status callback to start replacing "start_module".

components/nacl/loader/nacl_listener.h

 // 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.
 
 #ifndef CHROME_NACL_NACL_LISTENER_H_
 #define CHROME_NACL_NACL_LISTENER_H_
 
 #include <vector>
 
 #include "base/memory/scoped_ptr.h"
@@ skipping 40 matching lines @@
   typedef base::Callback<void(IPC::PlatformFileForTransit, base::FilePath)>
       ResolveFileTokenCallback;
   void ResolveFileToken(uint64_t token_lo,
                         uint64_t token_hi,
                         ResolveFileTokenCallback cb);
   void OnFileTokenResolved(uint64_t token_lo,
                            uint64_t token_hi,
                            IPC::PlatformFileForTransit ipc_fd,
                            base::FilePath file_path);
 
+  NaClTrustedListener* trusted_listener() { return trusted_listener_.get(); }

[Mark Seaborn, 2015/04/17 23:30:58]

Nit: you could put this next to crash_info_shmem_memory() since they're used in
the same way.  Also add "const" to match.

[jvoung (off chromium), 2015/04/18 01:00:46]

Done.

+
  private:
   bool OnMessageReceived(const IPC::Message& msg) override;
 
   void OnStart(const nacl::NaClStartParams& params);
 
   // A channel back to the browser.
   scoped_ptr<IPC::SyncChannel> channel_;
 
   // A filter that allows other threads to use the channel.
   scoped_refptr<IPC::SyncMessageFilter> filter_;
@@ skipping 19 matching lines @@
 
   ResolveFileTokenCallback resolved_cb_;
 
   // Used to identify what thread we're on.
   base::MessageLoop* main_loop_;
 
   DISALLOW_COPY_AND_ASSIGN(NaClListener);
 };
 
 #endif  // CHROME_NACL_NACL_LISTENER_H_