Remove unused isolate parameter from NumberToSize and TryNumberToSize

src/builtins/builtins-arraybuffer.cc

Index: src/builtins/builtins-arraybuffer.cc
diff --git a/src/builtins/builtins-arraybuffer.cc b/src/builtins/builtins-arraybuffer.cc
index ff2753cab24addb21a320ebf56792ea0d3f08e45..addf8ac291fd223fc9fc7fff6dc18000060de3ac 100644
--- a/src/builtins/builtins-arraybuffer.cc
+++ b/src/builtins/builtins-arraybuffer.cc
@@ -41,7 +41,7 @@ BUILTIN(ArrayBufferConstructor_ConstructStub) {
   ASSIGN_RETURN_FAILURE_ON_EXCEPTION(isolate, result,
                                      JSObject::New(target, new_target));
   size_t byte_length;
-  if (!TryNumberToSize(isolate, *number_length, &byte_length)) {
+  if (!TryNumberToSize(*number_length, &byte_length)) {
     THROW_NEW_ERROR_RETURN_FAILURE(
         isolate, NewRangeError(MessageTemplate::kInvalidArrayBufferLength));
   }