org.eclipse.swt.custom.LineBackgroundListener   

    org.eclipse.cdt.internal.ui.LineBackgroundPainter

    org.eclipse.jface.text.CursorLinePainter

    org.eclipse.ui.console.TextConsoleViewer   

        org.eclipse.ui.internal.console.IOConsoleViewer

        org.eclipse.jdt.internal.debug.ui.console.JavaStackTraceConsoleViewer

        org.eclipse.dltk.console.ui.internal.ScriptConsoleViewer

Projects.
AJDT
BIRT
Buckminster
CDT
DTP
DSDP.DD
DSDP.TM
DLTK
Eclipse Monkey
ECF
Eclipse Platform
EMF
MQ, MT, VF
GEF
GMF
MDT
Model to Text (M2T) - JET
Mylyn
SOA Tools Platform (STP)
TPTP
Web Tools Platform (WTP)