Use appropriate background object visual rect for composited table cell backgrounds.

third_party/WebKit/LayoutTests/paint/invalidation/table/composited-table-background-col-initial-empty-expected.txt

Index: third_party/WebKit/LayoutTests/paint/invalidation/table/composited-table-background-col-initial-empty-expected.txt
diff --git a/third_party/WebKit/LayoutTests/paint/invalidation/table/composited-table-background-col-initial-empty-expected.txt b/third_party/WebKit/LayoutTests/paint/invalidation/table/composited-table-background-col-initial-empty-expected.txt
new file mode 100644
index 0000000000000000000000000000000000000000..afdc80208dbbfda7dacd3494f2ae8a153e75a94c
--- /dev/null
+++ b/third_party/WebKit/LayoutTests/paint/invalidation/table/composited-table-background-col-initial-empty-expected.txt
@@ -0,0 +1,42 @@
+{
+  "layers": [
+    {
+      "name": "LayoutView #document",
+      "bounds": [800, 600],
+      "contentsOpaque": true,
+      "drawsContent": true,
+      "paintInvalidations": [
+        {
+          "object": "LayoutTableCol COL id='target'",
+          "rect": [8, 28, 184, 134],
+          "reason": "style change"
+        }
+      ]
+    },
+    {
+      "name": "LayoutTableCell TD",
+      "position": [71, 96],
+      "bounds": [58, 64],
+      "drawsContent": true
+    }
+  ],
+  "objectPaintInvalidations": [
+    {
+      "object": "LayoutTableCell TD",
+      "reason": "style change"
+    },
+    {
+      "object": "LayoutTableCell TD",
+      "reason": "style change"
+    },
+    {
+      "object": "ColBackground",
+      "reason": "style change"
+    },
+    {
+      "object": "LayoutTableCol COL id='target'",
+      "reason": "style change"
+    }
+  ]
+}
+