Decouple arity errors creation from throwing.

Source/bindings/tests/results/V8TestSpecialOperations.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 "V8TestSpecialOperations.h"
 
 #include "bindings/core/v8/ExceptionState.h"
@@ skipping 33 matching lines @@
 namespace blink {
 const WrapperTypeInfo V8TestSpecialOperations::wrapperTypeInfo = { gin::kEmbedderBlink, V8TestSpecialOperations::domTemplate, V8TestSpecialOperations::derefObject, 0, 0, 0, V8TestSpecialOperations::installConditionallyEnabledMethods, 0, WrapperTypeObjectPrototype, RefCountedObject };
 
 namespace TestSpecialOperationsV8Internal {
 
 template <typename T> void V8_USE(T) { }
 
 static void namedItemMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     if (UNLIKELY(info.Length() < 1)) {
-        throwMinimumArityTypeErrorForMethod("namedItem", "TestSpecialOperations", 1, info.Length(), info.GetIsolate());
+        V8ThrowException::throwException(createMinimumArityTypeErrorForMethod("namedItem", "TestSpecialOperations", 1, info.Length(), info.GetIsolate()), info.GetIsolate());
         return;
     }
     TestSpecialOperations* impl = V8TestSpecialOperations::toNative(info.Holder());
     V8StringResource<> name;
     {
         TOSTRING_VOID_INTERNAL(name, info[0]);
     }
     bool result0Enabled = false;
     RefPtrWillBeRawPtr<Node> result0;
     bool result1Enabled = false;
@@ skipping 182 matching lines @@
     fromInternalPointer(internalPointer)->deref();
 }
 
 template<>
 v8::Handle<v8::Value> toV8NoInline(TestSpecialOperations* impl, v8::Handle<v8::Object> creationContext, v8::Isolate* isolate)
 {
     return toV8(impl, creationContext, isolate);
 }
 
 } // namespace blink