Fix for #177972 - Cannot type anything in Editor of MfcEmbed build.

r=adamlock, sr=kin, a=asa

embedding/tests/mfcembed/MfcEmbed.cpp

@@ -497,8 +497,8 @@ void CMfcEmbedApp::OnNewEditor()
                                     PR_TRUE,PR_TRUE);
     if (pEditorFrame)
     {
-        pEditorFrame->m_wndBrowserView.OpenURL("about:blank");
         pEditorFrame->InitEditor();
+        pEditorFrame->m_wndBrowserView.OpenURL("about:blank");
     }
 }