Backout changeset ed3036facfb2 (bug 670338) to see if it affects the frequency of bug 629196; rs=joe

gfx/src/nsCoord.h

@@ -413,11 +413,6 @@ inline PRInt32 NSToIntRound(float aValue)
   return NS_lroundf(aValue);
 }
 
-inline PRInt32 NSToIntRound(double aValue)
-{
-  return NS_lround(aValue);
-}
-
 inline PRInt32 NSToIntRoundUp(float aValue)
 {
   return PRInt32(NS_floorf(aValue + 0.5f));