Move SendTextUpdatedEvent() down to wxTextEntryBase from wxTextCtrlBase.

This will allow reusing it in wxComboBox implementation as well.

Also add SendTextUpdatedEventIfAllowed() which can be used to only send the
events if they were not blocked at wxTextEntry level.

No real changes otherwise.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@63880 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/textctrl.h

@@ -665,11 +665,6 @@ public:
     virtual bool EmulateKeyPress(const wxKeyEvent& event);
 
 
-    // generate the wxEVT_COMMAND_TEXT_UPDATED event, like SetValue() does and
-    // return true if the event was processed
-    static bool SendTextUpdatedEvent(wxWindow *win);
-    bool SendTextUpdatedEvent() { return SendTextUpdatedEvent(this); }
-
     // do the window-specific processing after processing the update event
     virtual void DoUpdateWindowUI(wxUpdateUIEvent& event);