Remove redundant null oddball initialization....

src/heap.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 1113 matching lines @@
 
   // These four Create*EntryStub functions are here because of a gcc-4.4 bug
   // that assigns wrong vtable entries.
   static void CreateCEntryStub();
   static void CreateJSEntryStub();
   static void CreateJSConstructEntryStub();
   static void CreateRegExpCEntryStub();
 
   static void CreateFixedStubs();
 
-  static Object* CreateOddball(Map* map,
-                               const char* to_string,
-                               Object* to_number);
+  static Object* CreateOddball(const char* to_string, Object* to_number);
 
   // Allocate empty fixed array.
   static Object* AllocateEmptyFixedArray();
 
   // Performs a minor collection in new generation.
   static void Scavenge();
   static void ScavengeExternalStringTable();
   static Address DoScavenge(ObjectVisitor* scavenge_visitor,
                             Address new_space_front);
 
@@ skipping 659 matching lines @@
 
   // To speed up scavenge collections new space string are kept
   // separate from old space strings.
   static List<Object*> new_space_strings_;
   static List<Object*> old_space_strings_;
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_HEAP_H_