Update composited layer size if overflow from children requires it

third_party/WebKit/LayoutTests/fast/repaint/overflow-changed-on-child-of-composited-layer-expected.txt

Index: third_party/WebKit/LayoutTests/fast/repaint/overflow-changed-on-child-of-composited-layer-expected.txt
diff --git a/third_party/WebKit/LayoutTests/fast/repaint/overflow-changed-on-child-of-composited-layer-expected.txt b/third_party/WebKit/LayoutTests/fast/repaint/overflow-changed-on-child-of-composited-layer-expected.txt
new file mode 100644
index 0000000000000000000000000000000000000000..4f640039f7d1c9257381f7b7c99b87793479dc93
--- /dev/null
+++ b/third_party/WebKit/LayoutTests/fast/repaint/overflow-changed-on-child-of-composited-layer-expected.txt
@@ -0,0 +1,40 @@
+{
+  "name": "Content Root Layer",
+  "bounds": [800, 600],
+  "children": [
+    {
+      "name": "LayoutView #document",
+      "bounds": [800, 600],
+      "contentsOpaque": true,
+      "drawsContent": true,
+      "children": [
+        {
+          "name": "LayoutBlockFlow DIV id='parent'",
+          "position": [27, 19],
+          "transformOrigin": [373, 51],
+          "bounds": [745, 102],
+          "drawsContent": true,
+          "paintInvalidations": [
+            {
+              "object": "LayoutBlockFlow DIV id='parent'",
+              "rect": [0, 0, 744, 100],
+              "reason": "full"
+            },
+            {
+              "object": "LayoutBlockFlow DIV id='test'",
+              "rect": [0, 0, 102, 102],
+              "reason": "style change"
+            }
+          ]
+        }
+      ]
+    }
+  ],
+  "objectPaintInvalidations": [
+    {
+      "object": "LayoutBlockFlow DIV id='test'",
+      "reason": "style change"
+    }
+  ]
+}
+