Auto-rebaseline for r400605

third_party/WebKit/LayoutTests/compositing/fixed-body-background-positioned-expected.txt

 {
+  "name": "Frame Overflow Controls Host Layer",
   "bounds": [800, 600],
   "children": [
     {
+      "name": "Frame Clipping Layer",
       "bounds": [785, 600],
       "children": [
         {
+          "name": "LayoutView #document (background) Layer",
           "transformOrigin": [0, 0],
           "bounds": [785, 600],
           "contentsOpaque": true,
           "drawsContent": true
         },
         {
+          "name": "Frame Scrolling Layer",
           "children": [
             {
+              "name": "Content Root Layer",
               "bounds": [785, 3700],
               "children": [
                 {
+                  "name": "LayoutView #document",
                   "bounds": [785, 3700],
                   "drawsContent": true
                 }
               ]
             }
           ]
         }
       ]
     }
   ]
 }