[EFL] Build break with latest EFL libraries after r146265
https://bugs.webkit.org/show_bug.cgi?id=113558

Unreviewed build fix.


* TestWebKitAPI/PlatformWebView.h:
* WebKitTestRunner/PlatformWebView.h:


git-svn-id: http://svn.webkit.org/repository/webkit/trunk@147197 268f45cc-cd09-0410-ab3c-d52691b4dbfc