crosswalk-project/crosswalk — pull request #2441 by wang16 (2014-09-18 07:44:41+00:00)
Title: [Android] Use activity for Presentaion extension

android.app.Presentation requires activity instance
for constructor. Use the weak references stored
in PresentationExtension.

BUG=https://crosswalk-project.org/jira/browse/XWALK-2542