[S.P.] Don't draw frames of animated images that are offscreen

LayoutTests/paint/invalidation/animated-gif-expected.txt

 {
-  "bounds": [800, 600],
+  "bounds": [2008, 2016],
   "children": [
     {
-      "bounds": [800, 600],
+      "bounds": [2008, 2016],
       "contentsOpaque": true,
       "drawsContent": true,
       "repaintRects": [
-        [408, 8, 50, 50],
+        [8, 8, 2000, 54],
+        [8, 8, 50, 50],
         [8, 8, 50, 50]
       ]
     }
   ]
 }