backout changeset bcd556d83109 (bug 721315) for reftest orange.

gfx/thebes/gfxFont.h

@@ -512,18 +512,7 @@ public:
         mIsBadUnderlineFamily(false)
         { }
 
-    virtual ~gfxFontFamily() {
-        // clear Family pointers in our faces; the font entries might stay
-        // alive due to cached font objects, but they can no longer refer
-        // to their families.
-        PRUint32 i = mAvailableFonts.Length();
-        while (i) {
-             gfxFontEntry *fe = mAvailableFonts[--i];
-             if (fe) {
-                 fe->SetFamily(nsnull);
-             }
-        }
-    }
+    virtual ~gfxFontFamily() { }
 
     const nsString& Name() { return mName; }