Pepper: Report NaCl exit status over Chromium IPC.

components/nacl/loader/nacl_listener.cc

Index: components/nacl/loader/nacl_listener.cc
diff --git a/components/nacl/loader/nacl_listener.cc b/components/nacl/loader/nacl_listener.cc
index 26585b166c0d617da6021b05d08fbd1a6b6c2675..104ced264a0a5f6d88820eebd584065e21f28981 100644
--- a/components/nacl/loader/nacl_listener.cc
+++ b/components/nacl/loader/nacl_listener.cc
@@ -19,6 +19,7 @@
 #include "base/message_loop/message_loop.h"
 #include "base/rand_util.h"
 #include "components/nacl/common/nacl_messages.h"
+#include "components/nacl/common/nacl_renderer_messages.h"
 #include "components/nacl/loader/nacl_ipc_adapter.h"
 #include "components/nacl/loader/nacl_validation_db.h"
 #include "components/nacl/loader/nacl_validation_query.h"
@@ -418,5 +419,14 @@ void NaClListener::OnStart(const nacl::NaClStartParams& params) {
   nexe_file_info.file_token.hi = params.nexe_token_hi;
   args->nexe_desc = NaClDescIoFromFileInfo(nexe_file_info, NACL_ABI_O_RDONLY);
 
-  NaClChromeMainStartApp(nap, args);
+  int exit_status;
+  if (!NaClChromeMainStart(nap, args, &exit_status))
+    NaClExit(1);
+
+  // Report the plugin's exit status if the application started successfully.
+  // TODO(teravest): Use a separate is_helper_process field instead of assuming

[Mark Seaborn, 2014/08/21 21:12:32]

How about sending it unconditionally but having TrustedPluginChannel know
whether the message should be ignored or not?

[teravest, 2014/08/22 16:07:11]

Done.

+  // the translator doesn't use the IRT.
+  if (params.uses_irt)
+    trusted_listener_->Send(new NaClRendererMsg_ReportExitStatus(exit_status));
+  NaClExit(exit_status);
 }