vector → symbology Relation

File in src/gui/vector	Includes file in src/gui/symbology
qgsdiagramproperties.cpp	qgsdatadefinedsizelegendwidget.h
qgsdiagramproperties.cpp	qgssymbolselectordialog.h
qgsvectorlayerproperties.cpp	qgsrendererpropertiesdialog.h
qgsvectorlayerproperties.cpp	qgssymbolwidgetcontext.h