crosswalk-project/crosswalk — pull request #1919 by hmin (2014-05-08 02:21:54+00:00)
Title: [Android] Close presentation content already opened when destroying

* Destroy the presentation content to clean up the resources occupied by
XWalkView to avoid resource leaking
* Refactor some code

BUG=https://crosswalk-project.org/jira/browse/XWALK-1633