Rename ascii to one-byte where applicable.

src/messages.cc

Index: src/messages.cc
diff --git a/src/messages.cc b/src/messages.cc
index 50b204ab222648889be79394996837dba2b4b02b..290f756770c7d4b287ee2f5ce6d5b2326b7fe521 100644
--- a/src/messages.cc
+++ b/src/messages.cc
@@ -130,7 +130,7 @@ Handle<String> MessageHandler::GetMessage(Isolate* isolate,
                                           Handle<Object> data) {
   Factory* factory = isolate->factory();
   Handle<String> fmt_str =
-      factory->InternalizeOneByteString(STATIC_ASCII_VECTOR("FormatMessage"));
+      factory->InternalizeOneByteString(STATIC_CHAR_VECTOR("FormatMessage"));
   Handle<JSFunction> fun = Handle<JSFunction>::cast(Object::GetProperty(
           isolate->js_builtins_object(), fmt_str).ToHandleChecked());
   Handle<JSMessageObject> message = Handle<JSMessageObject>::cast(data);
@@ -141,7 +141,7 @@ Handle<String> MessageHandler::GetMessage(Isolate* isolate,
       fun, isolate->js_builtins_object(), arraysize(argv), argv);
   Handle<Object> result;
   if (!maybe_result.ToHandle(&result) || !result->IsString()) {
-    return factory->InternalizeOneByteString(STATIC_ASCII_VECTOR("<error>"));
+    return factory->InternalizeOneByteString(STATIC_CHAR_VECTOR("<error>"));
   }
   Handle<String> result_string = Handle<String>::cast(result);
   // A string that has been obtained from JS code in this way is