crosswalk-project/crosswalk — pull request #2049 by kurli (2014-06-09 02:53:33+00:00)
Title: [Android][Beta] Add validation for get navigation item

If the input parameter is out of scope, it will cause crash.
Add validation here to avoid crash.

BUG=XWALK-1874
(cherry picked from commit 4b79f46)