Tidy up error reporting for calling-constructor-as-function.

Source/bindings/tests/results/V8TestInterfacePython2.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 "V8TestInterfacePython2.h"
 
 #include "RuntimeEnabledFeatures.h"
@@ skipping 56 matching lines @@
         isolate->SetReferenceFromGroup(v8::UniqueId(reinterpret_cast<intptr_t>(root)), wrapper);
         return;
     }
     setObjectGroup(object, wrapper, isolate);
 }
 
 void V8TestInterfacePython2::constructorCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SCOPED_SAMPLING_STATE("Blink", "DOMConstructor");
     if (!info.IsConstructCall()) {
-        throwTypeError(ExceptionMessages::failedToConstruct("TestInterfacePython2", "Please use the 'new' operator, this DOM object constructor cannot be called as a function."), info.GetIsolate());
+        throwTypeError(ExceptionMessages::constructorNotCallableAsFunction("TestInterfacePython2"), info.GetIsolate());
         return;
     }
 
     if (ConstructorMode::current() == ConstructorMode::WrapExistingObject) {
         v8SetReturnValue(info, info.Holder());
         return;
     }
 
     TestInterfacePython2V8Internal::constructor(info);
 }
@@ skipping 82 matching lines @@
     fromInternalPointer(object)->deref();
 }
 
 template<>
 v8::Handle<v8::Value> toV8NoInline(TestInterfacePython2* impl, v8::Handle<v8::Object> creationContext, v8::Isolate* isolate)
 {
     return toV8(impl, creationContext, isolate);
 }
 
 } // namespace WebCore