Add helper functions for throwing arity-related TypeErrors

Source/bindings/tests/results/V8TestInterfaceNamedConstructor.cpp

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // This file has been auto-generated by code_generator_v8.py. DO NOT MODIFY!
 
 #include "config.h"
 #include "V8TestInterfaceNamedConstructor.h"
 
 #include "RuntimeEnabledFeatures.h"
@@ skipping 74 matching lines @@
 
     Document* document = currentDOMWindow(info.GetIsolate())->document();
     ASSERT(document);
 
     // Make sure the document is added to the DOM Node map. Otherwise, the TestInterfaceNamedConstructor instance
     // may end up being the only node in the map and get garbage-collected prematurely.
     toV8(document, info.Holder(), info.GetIsolate());
 
     ExceptionState exceptionState(ExceptionState::ConstructionContext, "TestInterfaceNamedConstructor", info.Holder(), info.GetIsolate());
     if (UNLIKELY(info.Length() < 1)) {
-        exceptionState.throwTypeError(ExceptionMessages::notEnoughArguments(1, info.Length()));
-        exceptionState.throwIfNeeded();
+        throwArityTypeError(exceptionState, 1, info.Length());
         return;
     }
     V8TRYCATCH_FOR_V8STRINGRESOURCE_VOID(V8StringResource<>, stringArg, info[0]);
     V8TRYCATCH_VOID(bool, defaultUndefinedOptionalBooleanArg, info[1]->BooleanValue());
     V8TRYCATCH_EXCEPTION_VOID(int, defaultUndefinedOptionalLongArg, toInt32(info[2], exceptionState), exceptionState);
     V8TRYCATCH_FOR_V8STRINGRESOURCE_VOID(V8StringResource<>, defaultUndefinedOptionalStringArg, info[3]);
     V8TRYCATCH_FOR_V8STRINGRESOURCE_VOID(V8StringResource<>, defaultNullStringOptionalstringArg, argumentOrNull(info, 4));
     RefPtr<TestInterfaceNamedConstructor> impl = TestInterfaceNamedConstructor::createForJSConstructor(*document, stringArg, defaultUndefinedOptionalBooleanArg, defaultUndefinedOptionalLongArg, defaultUndefinedOptionalStringArg, defaultNullStringOptionalstringArg, exceptionState);
     if (exceptionState.throwIfNeeded())
         return;
@@ skipping 97 matching lines @@
     fromInternalPointer(object)->deref();
 }
 
 template<>
 v8::Handle<v8::Value> toV8NoInline(TestInterfaceNamedConstructor* impl, v8::Handle<v8::Object> creationContext, v8::Isolate* isolate)
 {
     return toV8(impl, creationContext, isolate);
 }
 
 } // namespace WebCore