Google is planning to merge Chrome OS with Android operating system and roll out a single operating system by 2017. Chrome OS will remain as an open source operating system that other companies can use to integrate in their desktops and laptops, and Google engineers will continue maintaining the operating system. The integration of Chrome OS into Android is not unexpected speculation has existed for years. The move to merge both the operating systems marks an effort at Google to reduce the number of independent platforms the company has to maintain.
Source: https://thehackernews.com/2015/10/android-google-chrome-os.html