Decoupling
In Browser Process
Base
Message Loop does not know Node.js, renderer...
Extend a method called UvRun() in the Message Pump
Execute UvRun() in the loop each running, and do not care the content of UvRun()
Content
Initialize Node.js arguments when renderer created
Inherit a Message Loop instead of the default and implement UvRun()
In Renderer Process
Content
Attach Node.js' context in web page and run all Node.js' script
heX + 
Chromium
