Add limitation that LoadNexeAndStart must be called on the main thread.

ppapi/native_client/src/trusted/plugin/plugin.h

Index: ppapi/native_client/src/trusted/plugin/plugin.h
diff --git a/ppapi/native_client/src/trusted/plugin/plugin.h b/ppapi/native_client/src/trusted/plugin/plugin.h
index 42ea700fdb5accb8391f795e1b1fdfb5fbfd2825..a94af081b09eacf9365c2569c59c90df954de7d5 100644
--- a/ppapi/native_client/src/trusted/plugin/plugin.h
+++ b/ppapi/native_client/src/trusted/plugin/plugin.h
@@ -167,9 +167,9 @@ class Plugin : public pp::Instance {
                          ServiceRuntime* service_runtime);
 
   void LoadNexeAndStart(int32_t pp_error,

[teravest, 2014/06/10 15:19:25]

Please add a comment like the following:
  " // This is invoked on the main thread"

[hidehiko, 2014/06/11 07:24:37]

Done.

-                        PP_NaClFileInfo file_info,
                         ServiceRuntime* service_runtime,
-                        const pp::CompletionCallback& crash_cb);
+                        PP_NaClFileInfo file_info,
+                        const pp::CompletionCallback& callback);
 
   // Callback used when getting the URL for the .nexe file.  If the URL loading
   // is successful, the file descriptor is opened and can be passed to sel_ldr