This should be #ifdef DEBUG.

r+sr=dbaron

view/public/nsIView.h

@@ -326,12 +326,14 @@ public:
   // XXX Temporary for Bug #19416
   NS_IMETHOD IgnoreSetPosition(PRBool aShouldIgnore) = 0;
 
+#ifdef DEBUG
   /**
    * Output debug info to FILE
    * @param out output file handle
    * @param aIndent indentation depth
    */
   NS_IMETHOD  List(FILE* out, PRInt32 aIndent = 0) const = 0;
+#endif // DEBUG
 
   /**
    * @result true iff this is the root view for its view manager

view/src/nsView.cpp

@@ -744,6 +744,7 @@ nsresult nsView::LoadWidget(const nsCID &aClassIID)
   return rv;
 }
 
+#ifdef DEBUG
 NS_IMETHODIMP nsView::List(FILE* out, PRInt32 aIndent) const
 {
   PRInt32 i;
@@ -782,6 +783,7 @@ NS_IMETHODIMP nsView::List(FILE* out, PRInt32 aIndent) const
   
   return NS_OK;
 }
+#endif // DEBUG
 
 NS_IMETHODIMP nsView::GetOffsetFromWidget(nscoord *aDx, nscoord *aDy, nsIWidget *&aWidget)
 {

view/src/nsView.h

@@ -97,7 +97,9 @@ public:
                            PRBool aEnableDragDrop = PR_TRUE,
                            PRBool aResetVisibility = PR_TRUE,
                            nsContentType aContentType = eContentTypeInherit);
+#ifdef DEBUG
   NS_IMETHOD  List(FILE* out = stdout, PRInt32 aIndent = 0) const;
+#endif
 
   NS_IMETHOD  Destroy();
   /**