NaCl plugin: Make ServiceRuntime::Shutdown() kill the NaCl loader

components/nacl/renderer/nexe_load_manager.h

Index: components/nacl/renderer/nexe_load_manager.h
diff --git a/components/nacl/renderer/nexe_load_manager.h b/components/nacl/renderer/nexe_load_manager.h
index bc5c12ca5622fbb2f26c8a7ad8b9dcceb961842e..37dfb15227a90fa9bd90938d07ebd833a14502ba 100644
--- a/components/nacl/renderer/nexe_load_manager.h
+++ b/components/nacl/renderer/nexe_load_manager.h
@@ -89,6 +89,8 @@ class NexeLoadManager {
   bool RequestNaClManifest(const std::string& url);
   void ProcessNaClManifest(const std::string& program_url);
 
+  void CloseTrustedPluginChannel();
+
   // URL resolution support.
   // plugin_base_url is the URL used for resolving relative URLs used in
   // src="...".