TextEditor: Move remaining PlainTextEditorWidget functions to Base

Change-Id: Ib10d938fce352f59bcd40f1c6aa493794fe90f8d
Reviewed-by: Christian Stenger <christian.stenger@digia.com>
Reviewed-by: Nikolai Kosjar <nikolai.kosjar@digia.com>
Reviewed-by: hjk <hjk121@nokiamail.com>

src/plugins/texteditor/basetexteditor.h

@@ -463,6 +463,10 @@ public slots:
 
     /// Abort code assistant if it is running.
     void abortAssist();
+
+    void acceptMissingSyntaxDefinitionInfo();
+
+    void configureMimeType(const QString &mimeType);
     void configureMimeType(const Core::MimeType &mimeType);
 
 signals:
@@ -581,6 +585,8 @@ protected slots:
     virtual void slotUpdateBlockNotify(const QTextBlock &);
     virtual void slotCodeStyleSettingsChanged(const QVariant &);
 
+    void configureMimeType();
+
 private slots:
     void updateTabStops();
     void applyFontSettingsDelayed();