Move them out of the QmlProfilerDataModel class, drop the "Data"
suffix, and rename symbols that refer to them in order to call them by
their names.
Change-Id: I41151359921b325edb79111371083c4185bd148b
Reviewed-by: Christian Kandeler <christian.kandeler@theqtcompany.com>
Reviewed-by: Joerg Bornemann <joerg.bornemann@theqtcompany.com>
