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

Source/bindings/tests/results/V8TestActiveDOMObject.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 73 matching lines @@
 }
 
 bool namedSecurityCheck(v8::Local<v8::Object> host, v8::Local<v8::Value> key, v8::AccessType type, v8::Local<v8::Value>)
 {
     TestActiveDOMObject* imp =  V8TestActiveDOMObject::toNative(host);
     return BindingSecurity::shouldAllowAccessToFrame(imp->frame(), DoNotReportSecurityError);
 }
 
 static void excitingFunctionMethod(const v8::FunctionCallbackInfo<v8::Value>& args)
 {
-    if (args.Length() < 1) {
+    if (UNLIKELY(args.Length() < 1)) {
         throwNotEnoughArgumentsError(args.GetIsolate());
         return;
     }
     TestActiveDOMObject* imp = V8TestActiveDOMObject::toNative(args.Holder());
     if (!BindingSecurity::shouldAllowAccessToFrame(imp->frame()))
         return;
     V8TRYCATCH_VOID(Node*, nextChild, V8Node::HasInstance(args[0], args.GetIsolate(), worldType(args.GetIsolate())) ? V8Node::toNative(v8::Handle<v8::Object>::Cast(args[0])) : 0);
     imp->excitingFunction(nextChild);
 
     return;
 }
 
 static void excitingFunctionMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& args)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestActiveDOMObjectV8Internal::excitingFunctionMethod(args);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
 }
 
 static void postMessageMethod(const v8::FunctionCallbackInfo<v8::Value>& args)
 {
-    if (args.Length() < 1) {
+    if (UNLIKELY(args.Length() < 1)) {
         throwNotEnoughArgumentsError(args.GetIsolate());
         return;
     }
     TestActiveDOMObject* imp = V8TestActiveDOMObject::toNative(args.Holder());
     V8TRYCATCH_FOR_V8STRINGRESOURCE_VOID(V8StringResource<>, message, args[0]);
     imp->postMessage(message);
 
     return;
 }
 
@@ skipping 136 matching lines @@
     V8DOMWrapper::associateObjectWithWrapper<V8TestActiveDOMObject>(impl, &info, wrapper, isolate, WrapperConfiguration::Independent);
     return wrapper;
 }
 
 void V8TestActiveDOMObject::derefObject(void* object)
 {
     fromInternalPointer(object)->deref();
 }
 
 } // namespace WebCore