Auto-rebaseline for r178305

LayoutTests/platform/win-xp/fast/repaint/window-resize-viewport-percent-expected.txt

 {
   "bounds": [200, 300],
   "children": [
     {
       "bounds": [200, 300],
       "contentsOpaque": true,
       "drawsContent": true,
       "repaintRects": [
         [0, 200, 200, 100],
         [0, 0, 30, 30],
@@ skipping 38 matching lines @@
       "contentsOpaque": true,
       "drawsContent": true,
       "repaintRects": [
         [0, 0, 300, 250],
         [0, 0, 250, 250]
       ]
     }
   ]
 }