debugger: provide a method to copy Locals&Watchers contents into a main editor.

Task-number: QTCREATORBUG-982

src/plugins/debugger/watchhandler.h

@@ -187,6 +187,8 @@ private:
     void saveTypeFormats();
     void setFormat(const QByteArray &type, int format);
     void updateWatchersWindow();
+    void showInEditor();
+    void showInEditorHelper(QString *contents, WatchItem *item, int level);
 
     bool m_inChange;