Removing redundant stub for runtime native calls.

src/runtime.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 355 matching lines @@
     RUNTIME_FUNCTION_LIST(F)
     kNofFunctions
 #undef F
   };
 
   // Runtime function descriptor.
   struct Function {
     // The JS name of the function.
     const char* name;
 
-    // The name of the stub that calls the runtime function.
-    const char* stub_name;
-
     // The C++ (native) entry point.
     byte* entry;
 
     // The number of arguments expected; nargs < 0 if variable no. of
     // arguments.
     int nargs;
     int stub_id;
     // Size of result, if complex (larger than a single pointer),
     // otherwise zero.
     int result_size;
@@ skipping 36 matching lines @@
                                                 int position);
 
   // Helper functions used stubs.
   static void PerformGC(Object* result);
 };
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_RUNTIME_H_