Bug 333659. Relanding new nsLineBreaker class --- shouldn't affect current code. Technically it's part of the build, but it's not used by anyone.

content/base/public/Makefile.in

@@ -72,6 +72,7 @@ nsCaseTreatment.h \
 nsContentCID.h \
 nsCopySupport.h \
 nsContentCreatorFunctions.h \
+nsLineBreaker.h \
 nsXMLNameSpaceMap.h \
 $(NULL)
 

content/base/src/Makefile.in

@@ -124,6 +124,7 @@ CPPSRCS		= \
 		nsGkAtoms.cpp \
 		nsHTMLContentSerializer.cpp \
 		nsImageLoadingContent.cpp \
+                nsLineBreaker.cpp \
 		nsLoadListenerProxy.cpp \
 		nsMappedAttributes.cpp \
 		nsNameSpaceManager.cpp \