Add an IPC channel between the NaCl loader process and the renderer.

chrome/nacl/nacl_listener.cc

 // 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.
 
 #include "chrome/nacl/nacl_listener.h"
 
 #include <errno.h>
 #include <stdlib.h>
 
 #include "base/command_line.h"
@@ skipping 162 matching lines @@
   return handled;
 }
 
 void NaClListener::OnMsgStart(const nacl::NaClStartParams& params) {
   struct NaClChromeMainArgs *args = NaClChromeMainArgsCreate();
   if (args == NULL) {
     LOG(ERROR) << "NaClChromeMainArgsCreate() failed";
     return;
   }
 
+  scoped_ptr<IPC::SyncChannel> ipc_channel(
+      new IPC::SyncChannel(this, io_thread_.message_loop_proxy(),
+                           &shutdown_event_));
+  ipc_channel->Init(params.channel_name, IPC::Channel::MODE_SERVER, true);

[dmichael (off chromium), 2012/04/25 21:06:00]

You're not doing anything with ipc_channel yet. Is that intentional? If so,
maybe it would be good to have a TODO here?

+
   std::vector<nacl::FileDescriptor> handles = params.handles;
 
 #if defined(OS_LINUX) || defined(OS_MACOSX)
   args->create_memory_object_func = CreateMemoryObject;
 # if defined(OS_MACOSX)
   CHECK(handles.size() >= 1);
   g_shm_fd = nacl::ToNativeHandle(handles[handles.size() - 1]);
   handles.pop_back();
 # endif
 #endif
@@ skipping 24 matching lines @@
   CHECK(handles.size() == 1);
   args->imc_bootstrap_handle = nacl::ToNativeHandle(handles[0]);
   args->enable_exception_handling = params.enable_exception_handling;
   args->enable_debug_stub = debug_enabled_;
 #if defined(OS_WIN)
   args->broker_duplicate_handle_func = BrokerDuplicateHandle;
 #endif
   NaClChromeMainStart(args);
   NOTREACHED();
 }