Implement custom element construction and some 'define' checks

third_party/WebKit/Source/bindings/core/v8/V8ObjectConstructor.cpp

 /*
  * Copyright (C) 2012 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
  * 2.  Redistributions in binary form must reproduce the above copyright
  *     notice, this list of conditions and the following disclaimer in the
@@ skipping 37 matching lines @@
 
 v8::MaybeLocal<v8::Object> V8ObjectConstructor::newInstanceInDocument(v8::Isolate* isolate, v8::Local<v8::Function> function, int argc, v8::Local<v8::Value> argv[], Document* document)
 {
     ASSERT(!function.IsEmpty());
     return V8ScriptRunner::instantiateObjectInDocument(isolate, function, document, argc, argv);
 }
 
 void V8ObjectConstructor::isValidConstructorMode(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     if (ConstructorMode::current(info.GetIsolate()) == ConstructorMode::CreateNewObject) {
-        V8ThrowException::throwTypeError(info.GetIsolate(), "Illegal constructor");
+        V8ThrowException::throwIllegalConstructorTypeError(info.GetIsolate());
         return;
     }
     v8SetReturnValue(info, info.This());
 }
 
 } // namespace blink