Use UNLIKELY() macro in generated bindings for minimum argument count checks

Source/bindings/tests/results/V8TestNamedConstructor.cpp

 /*
     This file is part of the Blink open source project.
     This file has been auto-generated by CodeGeneratorV8.pm. DO NOT MODIFY!
 
     This library is free software; you can redistribute it and/or
     modify it under the terms of the GNU Library General Public
     License as published by the Free Software Foundation; either
     version 2 of the License, or (at your option) any later version.
 
     This library is distributed in the hope that it will be useful,
@@ skipping 68 matching lines @@
         return;
     }
 
     Document* document = currentDocument();
     ASSERT(document);
 
     // Make sure the document is added to the DOM Node map. Otherwise, the TestNamedConstructor instance
     // may end up being the only node in the map and get garbage-collected prematurely.
     toV8(document, args.Holder(), args.GetIsolate());
 
-    if (args.Length() < 1) {
+    if (UNLIKELY(args.Length() < 1)) {
         throwNotEnoughArgumentsError(args.GetIsolate());
         return;
     }
     ExceptionState es(args.GetIsolate());
     V8TRYCATCH_FOR_V8STRINGRESOURCE_VOID(V8StringResource<>, str1, args[0]);
     V8TRYCATCH_FOR_V8STRINGRESOURCE_VOID(V8StringResource<>, str2, args[1]);
     V8TRYCATCH_FOR_V8STRINGRESOURCE_VOID(V8StringResource<>, str3, argumentOrNull(args, 2));
 
     RefPtr<TestNamedConstructor> impl = TestNamedConstructor::createForJSConstructor(*document, str1, str2, str3, es);
     v8::Handle<v8::Object> wrapper = args.Holder();
@@ skipping 92 matching lines @@
     V8DOMWrapper::associateObjectWithWrapper<V8TestNamedConstructor>(impl, &info, wrapper, isolate, WrapperConfiguration::Dependent);
     return wrapper;
 }
 
 void V8TestNamedConstructor::derefObject(void* object)
 {
     fromInternalPointer(object)->deref();
 }
 
 } // namespace WebCore