back out the change to the nsIBookmarksService interface from bug #168411
we don't want to change this interface on the branch. thanks to bryner
for catching that and for matthew willis (lilmatt) for the patch.
r=sspitzer, sr=bryner, a=darin for the branch
git-svn-id: svn://10.0.0.236/branches/MOZILLA_1_8_BRANCH@200755 18797224-902f-48f8-a5cc-f745e15eee43