Remove unused runtime function

src/runtime.cc

 // Copyright 2011 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 9211 matching lines @@
     PrintF(" {\n");
   } else {
     // function result
     PrintF("} -> ");
     result->ShortPrint();
     PrintF("\n");
   }
 }
 
 
-RUNTIME_FUNCTION(MaybeObject*, Runtime_TraceElementsKindTransition) {
-  ASSERT(args.length() == 5);
-  CONVERT_ARG_CHECKED(JSObject, obj, 0);
-  CONVERT_SMI_ARG_CHECKED(from_kind, 1);
-  CONVERT_ARG_CHECKED(FixedArrayBase, from_elements, 2);
-  CONVERT_SMI_ARG_CHECKED(to_kind, 3);
-  CONVERT_ARG_CHECKED(FixedArrayBase, to_elements, 4);
-  NoHandleAllocation ha;
-  PrintF("*");
-  obj->PrintElementsTransition(stdout,
-      static_cast<ElementsKind>(from_kind), *from_elements,
-      static_cast<ElementsKind>(to_kind), *to_elements);
-  return isolate->heap()->undefined_value();
-}
-
-
 RUNTIME_FUNCTION(MaybeObject*, Runtime_TraceEnter) {
   ASSERT(args.length() == 0);
   NoHandleAllocation ha;
   PrintTransition(NULL);
   return isolate->heap()->undefined_value();
 }
 
 
 RUNTIME_FUNCTION(MaybeObject*, Runtime_TraceExit) {
   NoHandleAllocation ha;
@@ skipping 4327 matching lines @@
   } else {
     // Handle last resort GC and make sure to allow future allocations
     // to grow the heap without causing GCs (if possible).
     isolate->counters()->gc_last_resort_from_js()->Increment();
     isolate->heap()->CollectAllGarbage(Heap::kNoGCFlags);
   }
 }
 
 
 } }  // namespace v8::internal