Auto-rebaseline for r196730

LayoutTests/platform/linux/fast/repaint/stacked-diacritics-expected.txt

 {
   "bounds": [800, 600],
   "children": [
     {
       "bounds": [800, 600],
       "contentsOpaque": true,
       "drawsContent": true,
       "repaintRects": [
-        [19, 116, 200, 74],
-        [19, 116, 126, 73],
-        [8, 136, 222, 142],
-        [8, 116, 222, 162]
+        [19, 148, 126, 41]
       ]
     }
   ]
 }