https://bugs.webkit.org/show_bug.cgi?id=52774
        
Reviewed by Darin Adler.

Add the API to get the parent frame of a frame.

* UIProcess/API/C/WKFrame.cpp:
(WKFrameGetParentFrame):
* UIProcess/API/C/WKFrame.h:



git-svn-id: http://svn.webkit.org/repository/webkit/trunk@76188 268f45cc-cd09-0410-ab3c-d52691b4dbfc