Factor logic that returns an IHTMLDocument2 into a separate function to reduce repetition.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/branches/SOC2011_WEBVIEW@68156 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/msw/webview_ie.h

@@ -21,6 +21,8 @@
 #include "wx/sharedptr.h"
 #include "wx/vector.h"
 
+class IHTMLDocument2;
+
 class WXDLLIMPEXP_WEB wxWebViewIE : public wxWebView
 {
 public:
@@ -141,6 +143,7 @@ private:
     //Generic helper functions for IHtmlDocument commands
     bool CanExecCommand(wxString command);
     void ExecCommand(wxString command);
+    IHTMLDocument2* GetDocument();
 
 };