The WSJ reported that "Hiroshi Lockheimer, Google’s vice president of engineering for its Android mobile-operating system, is now also overseeing the engineering team behind Google’s Chrome operating system." The paper believes that is a sign that Sundar Pichai, Google’s senior vice president in charge of Android, Chrome and Apps since 2013, plans on merging the two operating systems sooner rather than later.
Such a move would, of course, make life much easier for developers. While they'd still need to worry about user interface (UI) and experience (UX) issues with one operating system for smartphones, tablets, and desktops/laptops, that's easier than dealing with two currently separate operating systems.
As I see it, Google has been slowly bringing its platforms together for well over a year now. This latest management change is only the latest sign of this evolution.
I predict that Google will officially bring them together after the 2014 holiday buying season. Google I/O 2015 is scheduled for late June 2015. It wouldn't surprise me in the least if Pichai or Sergey Brin posts the official banns of marriage for Android and Chrome OS at the show.