MobileChromeApps/mobile-chrome-apps — pull request #325 by kamrik (2014-09-17 19:57:42+00:00)
Title: Add --webview=system support

A --webview option, if provided, will override the webview option in manifest.
For a project that already has the CrossWalk plugin installed it will be
uninstalled.

If any value other than "system" or "crosswalk" is provided, it will barf with
Engine not supported by cca: (skipping)