Pass pending exception to the message listener.

include/v8.h

Index: include/v8.h
diff --git a/include/v8.h b/include/v8.h
index ff44fdf28730b73b329e91e032ca1c9cdb5da75e..a2924dcadebf11e8fe29e38ff249fc951f83be9c 100644
--- a/include/v8.h
+++ b/include/v8.h
@@ -2653,7 +2653,7 @@ bool V8EXPORT SetResourceConstraints(ResourceConstraints* constraints);
 typedef void (*FatalErrorCallback)(const char* location, const char* message);
 
 
-typedef void (*MessageCallback)(Handle<Message> message, Handle<Value> data);
+typedef void (*MessageCallback)(Handle<Message> message, Handle<Value> error);
 
 
 /**
@@ -3085,8 +3085,7 @@ class V8EXPORT V8 {
    * The same message listener can be added more than once and in that
    * case it will be called more than once for each message.
    */
-  static bool AddMessageListener(MessageCallback that,
-                                 Handle<Value> data = Handle<Value>());
+  static bool AddMessageListener(MessageCallback that);
 
   /**
    * Remove all message listeners from the specified callback function.