[POSSIBLE PERFORMANCE IMPACT] Remove UNLIKELY from bindings required arguments check

Source/bindings/scripts/code_generator_v8.pm

 # Copyright (C) 2005, 2006 Nikolas Zimmermann <zimmermann@kde.org>
 # Copyright (C) 2006 Anders Carlsson <andersca@mac.com>
 # Copyright (C) 2006 Samuel Weinig <sam.weinig@gmail.com>
 # Copyright (C) 2006 Alexey Proskuryakov <ap@webkit.org>
 # Copyright (C) 2006 Apple Computer, Inc.
 # Copyright (C) 2007, 2008, 2009, 2012 Google Inc.
 # Copyright (C) 2009 Cameron McCormack <cam@mcc.id.au>
 # Copyright (C) Research In Motion Limited 2010. All rights reserved.
 # Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies)
 # Copyright (C) 2012 Ericsson AB. All rights reserved.
@@ skipping 2509 matching lines @@
         if ($param->isOptional or $param->isVariadic) {
             $allowNonOptional = 0;
         } else {
             die "An argument must not be declared to be optional unless all subsequent arguments to the operation are also optional." if !$allowNonOptional;
             $numMandatoryParams++;
         }
     }
 
     my $argumentsCountCheckString = "";
     if ($numMandatoryParams >= 1) {
-        $argumentsCountCheckString .= "    if (UNLIKELY(info.Length() < $numMandatoryParams)) {\n";
+        $argumentsCountCheckString .= "    if (info.Length() < $numMandatoryParams) {\n";
         if ($hasExceptionState) {
             $argumentsCountCheckString .= "        exceptionState.throwTypeError(ExceptionMessages::notEnoughArguments($numMandatoryParams, info.Length()));\n";
             $argumentsCountCheckString .= "        exceptionState.throwIfNeeded();\n";
         } else {
             $argumentsCountCheckString .= "        throwTypeError(ExceptionMessages::failedToExecute(\"$functionName\", \"$interfaceName\", ExceptionMessages::notEnoughArguments($numMandatoryParams, info.Length())), info.GetIsolate());\n";
         }
         $argumentsCountCheckString .= "        return;\n";
         $argumentsCountCheckString .= "    }\n";
     }
     return $argumentsCountCheckString;
@@ skipping 3810 matching lines @@
 
     return 1 if ExtendedAttributeContains($interface->extendedAttributes->{"Custom"}, "ToV8");
     return 1 if ExtendedAttributeContains($interface->extendedAttributes->{"Custom"}, "Wrap");
     return 1 if $interface->extendedAttributes->{"SpecialWrapFor"};
     return 1 if InheritsInterface($interface, "Document");
 
     return 0;
 }
 
 1;