Split wxWebHistoryItem headers out into separate files for each backend. This will allow us to dramatically reduce the amount of code in the GTK history implementation and implement it and OSX history support more cleanly.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/branches/SOC2011_WEBVIEW@68473 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/webview.h

@@ -20,20 +20,13 @@
 #include "wx/sharedptr.h"
 #include "wx/vector.h"
 
+#include "wx/osx/webhistoryitem_webkit.h"
+#include "wx/gtk/webhistoryitem_webkit.h"
+#include "wx/msw/webhistoryitem_ie.h"
+
 class wxFSFile;
 class wxFileSystem;
 
-class WXDLLIMPEXP_WEB wxWebHistoryItem
-{
-public:
-    wxWebHistoryItem(const wxString& url, const wxString& title) : 
-                     m_url(url), m_title(title) {}
-    wxString GetUrl() { return m_url; }
-    wxString GetTitle() { return m_title; }
-
-private:
-    wxString m_url, m_title;
-};
 
 /**
  * Zoom level in web view component