Pass the invoked JavaScript method name as an argument to the fallback callback

webkit/glue/cpp_bound_class.h

Index: webkit/glue/cpp_bound_class.h
===================================================================
--- webkit/glue/cpp_bound_class.h	(revision 2868)
+++ webkit/glue/cpp_bound_class.h	(working copy)
@@ -74,8 +74,8 @@
   // Bind the Javascript property called |name| to a CppVariant |prop|.
   void BindProperty(std::string name, CppVariant* prop);
 
-  // Set the fallback callback, which is called when when a callback is
-  // invoked that isn't bound.
+  // Set the fallback callback, which is called when a callback is invoked
+  // that isn't bound.
   // If it is NULL (its default value), a JavaScript exception is thrown in
   // that case (as normally expected). If non NULL, the fallback method is
   // invoked and the script continues its execution.
@@ -84,6 +84,8 @@
   // as it may cause unexpected behaviors (a JavaScript object with a
   // fallback always returns true when checked for a method's
   // existence).
+  // The name of the nonexistent JavaScript method will be passed as the
+  // first argument to the fallback method.
   void BindFallbackCallback(Callback* fallback_callback) {
     fallback_callback_.reset(fallback_callback);
   }