Fixes issue on iPad for TKWebViewController when hitting the share bar button item in iOS 8.
Fixes issue on iPad for TKWebViewController when hitting the share bar button item in iOS 8.

pengleelove/tapkulibrary,venkadesh02/tapkulibrary,weiyanwu84/tapkulibrary,bpap1989/test,triage/tapkulibrary,shads196770/tapkulibrary,mohsinalimat/tapkulibrary,yybutcher/tapkulibrary,adan016/tapkulibrary