Auto-rebaseline for r392861

third_party/WebKit/LayoutTests/compositing/squashing/add-remove-squashed-layers-expected.txt

 Test that layers can be nicely added or removed from a squashed layer, without unnecessary repaints on any layer. Click anywhere to test interactively; keep clicking to proceed through the test.
 
 CASE 1, original layer tree with overlap1 and overlap2:
 {
   "bounds": [800, 600],
   "children": [
     {
       "bounds": [800, 600],
       "contentsOpaque": true,
       "drawsContent": true,
@@ skipping 23 matching lines @@
 {
   "bounds": [800, 600],
   "children": [
     {
       "bounds": [800, 600],
       "contentsOpaque": true,
       "drawsContent": true,
       "paintInvalidations": [
         {
           "object": "LayoutBlockFlow (positioned) DIV id='C' class='overlap3'",
-          "reason": "layer"
+          "reason": "subtree"
         }
       ],
       "children": [
         {
           "shouldFlattenTransform": false,
           "children": [
             {
               "position": [60, 60],
               "bounds": [400, 400],
               "contentsOpaque": true,
@@ skipping 75 matching lines @@
               "backgroundColor": "#808080"
             },
             {
               "position": [300, 300],
               "bounds": [100, 100],
               "drawsContent": true,
               "paintInvalidations": [
                 {
                   "object": "LayoutBlockFlow (positioned) DIV id='C' class='overlap3'",
                   "rect": [160, 160, 100, 100],
-                  "reason": "layer"
+                  "reason": "subtree"
                 },
                 {
                   "object": "LayoutBlockFlow (positioned) DIV id='A' class='overlap1'",
                   "rect": [0, 0, 100, 100],
                   "reason": "layoutObject removal"
                 },
                 {
                   "object": "LayoutBlockFlow (positioned) DIV id='C' class='overlap3'",
                   "rect": [0, 0, 100, 100],
                   "reason": "compositing update"
@@ skipping 10 matching lines @@
 {
   "bounds": [800, 600],
   "children": [
     {
       "bounds": [800, 600],
       "contentsOpaque": true,
       "drawsContent": true,
       "paintInvalidations": [
         {
           "object": "LayoutBlockFlow (positioned) DIV id='B' class='overlap2'",
-          "reason": "layer"
+          "reason": "subtree"
         }
       ],
       "children": [
         {
           "shouldFlattenTransform": false,
           "children": [
             {
               "position": [60, 60],
               "bounds": [400, 400],
               "contentsOpaque": true,
@@ skipping 11 matching lines @@
                   "reason": "compositing update"
                 },
                 {
                   "object": "LayoutBlockFlow (positioned) DIV id='B' class='overlap2'",
                   "rect": [0, 0, 100, 100],
                   "reason": "layoutObject insertion"
                 },
                 {
                   "object": "LayoutBlockFlow (positioned) DIV id='C' class='overlap3'",
                   "rect": [0, 0, 100, 100],
-                  "reason": "layer"
+                  "reason": "subtree"
                 }
               ]
             }
           ]
         }
       ]
     }
   ]
 }
 CASE 6, overlap1 gets added back, and overlap3 gets removed:
 {
   "bounds": [800, 600],
   "children": [
     {
       "bounds": [800, 600],
       "contentsOpaque": true,
       "drawsContent": true,
       "paintInvalidations": [
         {
           "object": "LayoutBlockFlow (positioned) DIV id='A' class='overlap1'",
-          "reason": "layer"
+          "reason": "subtree"
         }
       ],
       "children": [
         {
           "shouldFlattenTransform": false,
           "children": [
             {
               "position": [60, 60],
               "bounds": [400, 400],
               "contentsOpaque": true,
@@ skipping 16 matching lines @@
                   "reason": "layoutObject removal"
                 },
                 {
                   "object": "LayoutBlockFlow (positioned) DIV id='A' class='overlap1'",
                   "rect": [0, 0, 100, 100],
                   "reason": "layoutObject insertion"
                 },
                 {
                   "object": "LayoutBlockFlow (positioned) DIV id='B' class='overlap2'",
                   "rect": [0, 0, 100, 100],
-                  "reason": "layer"
+                  "reason": "subtree"
                 }
               ]
             }
           ]
         }
       ]
     }
   ]
 }