Make Touch ScriptWrappable really.
Make Touch ScriptWrappable really.

BUG=none
TBR=tsepez@chromium.org

Review URL: https://codereview.chromium.org/15654002

git-svn-id: bf5cd6ccde378db821296732a091cfbcf5285fbd@150860 bbb929c8-8fbe-4397-9dbb-9b2b20218538

axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk