Auto-rebaseline for r181492

LayoutTests/platform/win/compositing/overflow/selection-gaps-toggling-with-scrolling-contents-expected.txt

 This test passes if the container's scrolling contents layer (the first child of the GraphicsLayer with 4 children) draws content only on iterations 2 and 3, and its scrolling block selection layer (the child of the scrolling contents layer) draws content only on iteration 4. The scrolling block selection layer should also be much smaller than the scrolling contents layer.
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@@ skipping 122 matching lines @@
         }
       ]
     }
   ]
 }
 
 
 *** iteration 2: ***
 
 {
-  "bounds": [785, 2496],
+  "bounds": [785, 2622],
   "children": [
     {
-      "bounds": [785, 2496],
+      "bounds": [785, 2622],
       "contentsOpaque": true,
       "drawsContent": true,
       "children": [
         {
           "position": [8, 80],
           "bounds": [300, 500],
           "contentsOpaque": true,
           "drawsContent": true,
           "backgroundColor": "#0000FF",
           "children": [
@@ skipping 105 matching lines @@
         }
       ]
     }
   ]
 }
 
 
 *** iteration 3: ***
 
 {
-  "bounds": [785, 4431],
+  "bounds": [785, 4686],
   "children": [
     {
-      "bounds": [785, 4431],
+      "bounds": [785, 4686],
       "contentsOpaque": true,
       "drawsContent": true,
       "children": [
         {
           "position": [8, 80],
           "bounds": [300, 500],
           "contentsOpaque": true,
           "drawsContent": true,
           "backgroundColor": "#0000FF",
           "children": [
@@ skipping 105 matching lines @@
         }
       ]
     }
   ]
 }
 
 
 *** iteration 4: ***
 
 {
-  "bounds": [785, 6366],
+  "bounds": [785, 6750],
   "children": [
     {
-      "bounds": [785, 6366],
+      "bounds": [785, 6750],
       "contentsOpaque": true,
       "drawsContent": true,
       "children": [
         {
           "position": [8, 80],
           "bounds": [300, 500],
           "drawsContent": true,
           "children": [
             {
               "bounds": [285, 485],
@@ skipping 101 matching lines @@
           "bounds": [100, 50],
           "contentsOpaque": true,
           "drawsContent": true,
           "backgroundColor": "#FFA500"
         }
       ]
     }
   ]
 }