Move (uppercase) JS builtins from js builtins object to native context.

src/full-codegen/full-codegen.cc

Index: src/full-codegen/full-codegen.cc
diff --git a/src/full-codegen/full-codegen.cc b/src/full-codegen/full-codegen.cc
index 1017b3185ba11845436f9213b97b98e770544cbc..ee6d9580c42a3247d98f11a3b5a1a53e889364aa 100644
--- a/src/full-codegen/full-codegen.cc
+++ b/src/full-codegen/full-codegen.cc
@@ -883,7 +883,7 @@ void FullCodeGenerator::EmitUnwindBeforeReturn() {
 void FullCodeGenerator::EmitPropertyKey(ObjectLiteralProperty* property,
                                         BailoutId bailout_id) {
   VisitForStackValue(property->key());
-  __ InvokeBuiltin(Builtins::TO_NAME, CALL_FUNCTION);
+  __ InvokeBuiltin(Context::TO_NAME_BUILTIN_INDEX, CALL_FUNCTION);
   PrepareForBailoutForId(bailout_id, NO_REGISTERS);
   __ Push(result_register());
 }