WKPage needs to expose a KVO-compliant object, similar to WKWebView
Created attachment 262522 [details] Patch
Comment on attachment 262522 [details] Patch View in context: https://bugs.webkit.org/attachment.cgi?id=262522&action=review > Source/WebKit2/UIProcess/API/C/mac/WKPagePrivateMac.h:36 > +WK_EXPORT id WKPageCreatePageObserver(WKPageRef page); Perhaps this should be WKPageCreateObservableState and return an id <_WKObservablePageState>. This function may also need to be annotated for ARC.
Created attachment 262529 [details] Patch
Committed r190631: <http://trac.webkit.org/changeset/190631>