TrkVKalVrtFitter → MagneticField Relation

File in Tracking/TrkVertexFitter/TrkVKalVrtFitter/TrkVKalVrtFitter	Includes file in MagneticField
TrkVKalVrtFitter.h	MagFieldConditions / MagFieldConditions / AtlasFieldCacheCondObj.h
VKalAtlasMagFld.h	MagFieldElements / MagFieldElements / AtlasFieldCache.h