Refactored custom call IC generators:

src/objects-inl.h

 // Copyright 2006-2008 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 2512 matching lines @@
 }
 
 
 FunctionTemplateInfo* SharedFunctionInfo::get_api_func_data() {
   ASSERT(IsApiFunction());
   return FunctionTemplateInfo::cast(function_data());
 }
 
 
 bool SharedFunctionInfo::HasCustomCallGenerator() {
-  return function_data()->IsProxy();
+  return function_data()->IsSmi();
 }
 
 
+int SharedFunctionInfo::custom_call_generator_id() {
+  ASSERT(HasCustomCallGenerator());
+  return Smi::cast(function_data())->value();
+}
+
+
 bool JSFunction::IsBuiltin() {
   return context()->global()->IsJSBuiltinsObject();
 }
 
 
 Code* JSFunction::code() {
   return shared()->code();
 }
 
 
@@ skipping 604 matching lines @@
 #undef WRITE_INT_FIELD
 #undef READ_SHORT_FIELD
 #undef WRITE_SHORT_FIELD
 #undef READ_BYTE_FIELD
 #undef WRITE_BYTE_FIELD
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_OBJECTS_INL_H_