Pepper: Report NaCl exit status over Chromium IPC.

components/nacl/renderer/trusted_plugin_channel.h

Index: components/nacl/renderer/trusted_plugin_channel.h
diff --git a/components/nacl/renderer/trusted_plugin_channel.h b/components/nacl/renderer/trusted_plugin_channel.h
index cba26d65475b107dccc5a30b77fceede50582ab0..ba6ec65ced359f53b666839faefc7f41915b43fc 100644
--- a/components/nacl/renderer/trusted_plugin_channel.h
+++ b/components/nacl/renderer/trusted_plugin_channel.h
@@ -24,7 +24,8 @@ namespace nacl {
 
 class TrustedPluginChannel : public IPC::Listener {
  public:
-  TrustedPluginChannel(const IPC::ChannelHandle& handle,
+  TrustedPluginChannel(PP_Instance instance,
+                       const IPC::ChannelHandle& handle,
                        base::WaitableEvent* shutdown_event);
   virtual ~TrustedPluginChannel();
 
@@ -33,7 +34,10 @@ class TrustedPluginChannel : public IPC::Listener {
   // Listener implementation.
   virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE;
 
+  void OnReportExitStatus(int exit_status);
+
  private:
+  PP_Instance instance_;
   scoped_ptr<IPC::SyncChannel> channel_;
 
   DISALLOW_COPY_AND_ASSIGN(TrustedPluginChannel);