PageViewportController and PageViewportControllerEfl have same life cycle with EwkView. So, we don't need to make them as unique_ptr instance.
Created attachment 218030 [details] Patch
Created attachment 218031 [details] Patch
Comment on attachment 218031 [details] Patch Looks fine.
Comment on attachment 218031 [details] Patch Clearing flags on attachment: 218031 Committed r159863: <http://trac.webkit.org/changeset/159863>
All reviewed patches have been landed. Closing bug.