'length' property is invalid for some DOM bindings functions

Source/bindings/scripts/CodeGeneratorV8.pm

Index: Source/bindings/scripts/CodeGeneratorV8.pm
diff --git a/Source/bindings/scripts/CodeGeneratorV8.pm b/Source/bindings/scripts/CodeGeneratorV8.pm
index 5ecf344c1e37fbba8a55317ea5aaf65a60004362..d6fe6e612029653088c15aa9d40e590363c6922a 100644
--- a/Source/bindings/scripts/CodeGeneratorV8.pm
+++ b/Source/bindings/scripts/CodeGeneratorV8.pm
@@ -869,6 +869,7 @@ sub GenerateDomainSafeFunctionGetter
     my $v8InterfaceName = "V8" . $interfaceName;
     my $funcName = $function->signature->name;
 
+    my ($numMandatoryParams, $parametersCheck) = GenerateFunctionParametersCheck($function);
     my $signature = "v8::Signature::New(V8PerIsolateData::from(info.GetIsolate())->rawTemplate(&" . $v8InterfaceName . "::info, currentWorldType))";
     if ($function->signature->extendedAttributes->{"DoNotCheckSignature"}) {
         $signature = "v8::Local<v8::Signature>()";
@@ -884,7 +885,7 @@ static v8::Handle<v8::Value> ${funcName}AttrGetter(v8::Local<v8::String> name, c
     static const char* privateTemplateUniqueKey = "${funcName}PrivateTemplate";
     WrapperWorldType currentWorldType = worldType(info.GetIsolate());
     V8PerIsolateData* data = V8PerIsolateData::from(info.GetIsolate());
-    v8::Persistent<v8::FunctionTemplate> privateTemplate = data->privateTemplate(currentWorldType, &privateTemplateUniqueKey, $newTemplateParams);
+    v8::Persistent<v8::FunctionTemplate> privateTemplate = data->privateTemplate(currentWorldType, &privateTemplateUniqueKey, $newTemplateParams, $numMandatoryParams);
 
     v8::Handle<v8::Object> holder = info.This()->FindInstanceInPrototypeChain(${v8InterfaceName}::GetTemplate(info.GetIsolate(), currentWorldType));
     if (holder.IsEmpty()) {
@@ -895,7 +896,7 @@ static v8::Handle<v8::Value> ${funcName}AttrGetter(v8::Local<v8::String> name, c
     ${interfaceName}* imp = ${v8InterfaceName}::toNative(holder);
     if (!BindingSecurity::shouldAllowAccessToFrame(BindingState::instance(), imp->frame(), DoNotReportSecurityError)) {
         static const char* sharedTemplateUniqueKey = "${funcName}SharedTemplate";
-        v8::Persistent<v8::FunctionTemplate> sharedTemplate = data->privateTemplate(currentWorldType, &sharedTemplateUniqueKey, $newTemplateParams);
+        v8::Persistent<v8::FunctionTemplate> sharedTemplate = data->privateTemplate(currentWorldType, &sharedTemplateUniqueKey, $newTemplateParams, $numMandatoryParams);
         return sharedTemplate->GetFunction();
     }
 
@@ -2772,16 +2773,18 @@ END
         die "This shouldn't happen: Intraface '$interfaceName' $commentInfo\n";
     }
 
+    my ($numMandatoryParams, $parametersCheck) = GenerateFunctionParametersCheck($function);
+
     my $conditionalString = $codeGenerator->GenerateConditionalString($function->signature);
     $code .= "#if ${conditionalString}\n" if $conditionalString;
     if ($function->signature->extendedAttributes->{"PerWorldBindings"}) {
         $code .= "    if (currentWorldType == MainWorld) {\n";
-        $code .= "        ${conditional}$template->Set(v8::String::NewSymbol(\"$name\"), v8::FunctionTemplate::New(${interfaceName}V8Internal::${name}MethodCallbackForMainWorld, v8Undefined(), ${signature})$property_attributes);\n";
+        $code .= "        ${conditional}$template->Set(v8::String::NewSymbol(\"$name\"), v8::FunctionTemplate::New(${interfaceName}V8Internal::${name}MethodCallbackForMainWorld, v8Undefined(), ${signature}, $numMandatoryParams)$property_attributes);\n";
         $code .= "    } else {\n";
-        $code .= "        ${conditional}$template->Set(v8::String::NewSymbol(\"$name\"), v8::FunctionTemplate::New(${interfaceName}V8Internal::${name}MethodCallback, v8Undefined(), ${signature})$property_attributes);\n";
+        $code .= "        ${conditional}$template->Set(v8::String::NewSymbol(\"$name\"), v8::FunctionTemplate::New(${interfaceName}V8Internal::${name}MethodCallback, v8Undefined(), ${signature}, $numMandatoryParams)$property_attributes);\n";
         $code .= "    }\n";
     } else {
-        $code .= "    ${conditional}$template->Set(v8::String::NewSymbol(\"$name\"), v8::FunctionTemplate::New(${interfaceName}V8Internal::${name}MethodCallback, v8Undefined(), ${signature})$property_attributes);\n";
+        $code .= "    ${conditional}$template->Set(v8::String::NewSymbol(\"$name\"), v8::FunctionTemplate::New(${interfaceName}V8Internal::${name}MethodCallback, v8Undefined(), ${signature}, $numMandatoryParams)$property_attributes);\n";
     }
     $code .= "#endif // ${conditionalString}\n" if $conditionalString;
     return $code;
@@ -3641,12 +3644,13 @@ END
 
         foreach my $runtimeFunc (@enabledPerContextFunctions) {
             my $enableFunction = GetContextEnableFunction($runtimeFunc->signature);
+            my ($numMandatoryParams, $parametersCheck) = GenerateFunctionParametersCheck($runtimeFunc);
             my $conditionalString = $codeGenerator->GenerateConditionalString($runtimeFunc->signature);
             $code .= "\n#if ${conditionalString}\n" if $conditionalString;
             $code .= "    if (context && context->isDocument() && ${enableFunction}(toDocument(context))) {\n";
             my $name = $runtimeFunc->signature->name;
             $code .= <<END;
-        proto->Set(v8::String::NewSymbol("${name}"), v8::FunctionTemplate::New(${interfaceName}V8Internal::${name}MethodCallback, v8Undefined(), defaultSignature)->GetFunction());
+        proto->Set(v8::String::NewSymbol("${name}"), v8::FunctionTemplate::New(${interfaceName}V8Internal::${name}MethodCallback, v8Undefined(), defaultSignature, $numMandatoryParams)->GetFunction());
 END
             $code .= "    }\n";
             $code .= "#endif // ${conditionalString}\n" if $conditionalString;