fixing osx_cocoa, there's a reason m_peer is private in the base class

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/branches/SOC2011_WEBVIEW@68635 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/osx/webview_webkit.h

@@ -159,12 +159,6 @@ private:
     void* m_webKitCtrlEventHandler;
     //It should be WebView*, but WebView is an Objective-C class
     //TODO: look into using DECLARE_WXCOCOA_OBJC_CLASS rather than this.
-    
-#if wxOSX_USE_CARBON
-    wxMacControl *m_peer;
-#else
-    wxWidgetCocoaImpl *m_peer;
-#endif
 };
 
 #endif // wxUSE_WEBKIT